Created Friday 08 November 2019

Serial Number : DA36.1981

New : 02/11/16

Date		Δntp(s)	Rate Error(s/d)		Comment
============================================
05/11/16	+1.0	+0.8
06/11/16	+1.7	+0.6
07/11/16	+1.9	+0.2
08/11/16	+2.6	+0.7
09/11/16	+2.8	+0.2
10/11/16	+3.2	+0.4
11/11/16	+2.6	-0.6
12/11/16	+2.7	+0.1
13/11/16	+2.8	+0.1
14/11/16	+3.5	+0.7
15/11/16	+4.9	+1.4
16/11/16	+5.3	+0.4
17/11/16	+5.3	+0.0
18/11/16	+6.8	+1.4
19/11/16	+8.5	+1.7
20/11/16	+8.9	+0.4
21/11/16	+10.1	+1.2
22/11/16	+10.5	+0.4
23/11/16	+11.5	+1.0
24/11/16	+11.8	+0.2
25/11/16	+12.1	+0.4
26/11/16	+13.2	+1.1
27/11/16	+13.4	+0.2
28/11/16	+14.7	+1.4
29/11/16	+15.8	+1.0
30/11/16	+17.3	+1.6
01/12/16	+19.3	+2.0
02/12/16	+19.7	+0.6		1 month old. Worn daily
03/12/16	+20.1	+0.4
04/12/16	+21.2	+1.1
05/12/16	+22.9	+1.8
06/12/16	+22.0	-0.8
07/12/16	+22.8	+0.7
08/12/16	+23.4	+0.7
09/12/16	+23.3	-0.2
10/12/16	+25.0	+1.7
11/12/16	+26.6	+1.6
12/12/16	+27.2	+0.7
13/12/16	+28.9	+1.6
14/12/16	+29.1	+0.2
15/12/16	+30.6	+1.5
16/12/16	+31.3	+0.6
17/12/16	+33.1	+1.9		Rate increasing?
18/12/16	+35.1	+2.0
19/12/16	+36.2	+1.0
20/12/16	+37.4	+1.2
21/12/16	+39.4	+2.0
22/12/16	+41.9	+2.5
23/12/16	+44.5	+2.6
24/12/16	+47.2	+2.7		Reset time to +0.1s
25/12/16	+1.2	+1.2
26/12/16	+3.6	+2.7
27/12/16	+5.3	+1.7
28/12/16	+6.7	+1.4
29/12/16	+9.8	+3.1		Biggest daily rate error so far
30/12/16	+12.1	+2.3

01/01/17	+14.3	+1.1
02/01/17	+16.9	+2.6		2 months old. Worn daily
03/01/17	+18.5	+1.8
04/01/17	+18.4	-0.1
05/01/17	+20.7	+2.3
06/01/17	+20.9	+0.2
07/01/17	+21.8	+0.9
08/01/17	+23.3	+1.4
09/01/17	+23.8	+0.5
10/01/17	+24.3	+0.5

Gap in recording....

09/02/17	-5.1	+0.2		3 months old. Worn daily
10/02/17	-6.1	-1.0		Rate decreasing?
11/02/17	-6.3	-0.2
12/02/17	-6.9	-0.6
13/02/17	-7.3	-0.4
14/02/17	-7,3	+0.0
15/02/17	-7.6	-0.2
16/02/17	-7.8	-0.2
17/02/17	-8.5	+0.8
18/02/17	-7.2	+1.8
19/02/17	-7.6	-0.4
20/02/17	-8.5	-1.0
21/02/17	-9.2	-0.6
22/02/17	-10.4	-0.9

24/02/17	-10.0	+0.2
25/02/17	-9.3	+0.7
26/02/17	-8.4	+0.9
27/02/17	-7.4	+1.1
28/02/17	-7.2	+0.2
01/03/17	-7.7	-0.5
02/03/17	-7.6	-0.2		4 months old. Worn daily.
03/03/17	-6.7	+0.9
04/03/17	-8.0	-1.3
05/03/17	-7.4	+0.6
06/03/17	-7.9	-0.6
07/03/17	-7.8	+0.2
08/03/17	-5.7	+2.1
09/03/17	-4.0	+1.7
10/03/17	-4.8	-0.9
11/03/17	-4.2	+0.6
12/03/17	-4.4	-0.2
13/03/17	-5.5	-1.2
14/03/17	-4.5	+1.0
15/03/17	-3.7	+0.8
16/03/17	-3.7	+0.0
17/03/17	-3.9	-0.3
18/03/17	-4.3	-0.3
19/03/17	-3.8	+0.4
20/03/17	-3.0	+0.8
21/03/17	-1.9	+1.1
22/03/19	-1.2	+0.7
23/03/17	-0.8	+0.5
24/03/17	-1.5	-0.8
25/03/17	-0.4	+1.0
26/03/17	-0.6	---		Reset to DST. No rate yet
27/03/17	-1.1	-0.5
28/03/17	-2.4	-1.4
29/03/17	-1.7	+0.7
30/03/17	-4.8	-2.8
31/03/17	-3.9	+0.7
01/04/17	-4.6	-0.7
02/04/17	-4.9	-0.2		5 months old. Worn daily
03/04/17	-4.5	+0.3
04/04/17	-4.0	+0.5
05/04/17	-4.1	-0.1
06/04/17	-4.4	-0.3
07/04/17	-5.1	-0.7
08/04/17	-5.5	-0.4
09/04/17	-6.8	-1.2
10/04/17	-5.5	+1.4
11/04/17	-4.4	+1.0
12/04/17	-3.7	+0.7
13/04/17	-3.7	-0.1
14/04/17	-2.8	+0.9
15/04/17	-4.3	-1.4
16/04/17	-3.7	+0.5
17/04/17	-3.4	+0.4
18/04/17	-4.2	-0.9
19/04/17	-4.2	+0.0
20/04/17	-6.4	-2.1
21/04/17	-6.2	+0.2
22/04/17	-6.9	-0.7
23/04/17	-7.0	-0.1
24/04/17	-7.1	-0.1
25/04/17	-5.9	+1.3
26/04/17	-6.1	-0.2
27/04/17	-5.8	+0.3
28/04/17	-5.0	+0.8
29/04/17	-4.0	+1.0
30/04/17	-1.9	+2.0
01/05/17	-1.9	+0.0
02/05/17	-1.8	+0.1		6 months old. Worn daily

gap in recording

23/05/17	-37.0	-2.0		average over period 26/03/17 -- 23/05/17 = -1/6 s/d

29/05/17	-44.0	-1.0

03/06/17	-49.4	-1.2		7 months old. Worn daily. Time reset to +15s
04/06/17	+14.9	+0.3
05/06/17	+12.4	-2.6
06/06/17	+11.8	-0.6
07/06/17	+10.3	-1.4

gap in recording

26/06/17	-18.3	-2.1		average since 03/06/17 (23 days) = -1.4 s/d

gap in recording

11/08/17	+2.4	-2.9		9 months old. Worn daily
12/08/17	+1.0	-1.2
14/08/17	-4.3	-2.8
16/08/17	-8.4	-2.0
19/08/17	-15.6	-2.5
20/08/17	-18.2	-2.4		Rate decreasing?
21/08/17	-20.3	-2.3
22/08/17	-23.2	-2.9
23/08/17	-25.7	-2.5		Seems consistent < -2 s/d after 9 months daily wear
24/08/17	-28.5	-2.8
25/08/17	-30.7	-2.1
26/08/17	-33.6	-2.9
27/08/17	-42.3	-8.7		not worn for 24 hours. dial up. reset to +39.8s
28/08/17	+36.2	-4.0
29/08/17	+32.4	-3.8
30/08/17	+31.1	-1.3
31/08/17	+27.8	-3.3
01/09/17	+24.5	-3.3
02/09/17	+22.2	-2.5		10 months old. Worn daily
03/09/17	+18.8	-3.2
04/09/17	+17.2	-1.6
05/09/17	+14.6	-2.6
06/09/17	+13.3	-1.3
07/09/17	+9.0	-4.4		Biggest daily error so far.
08/09/17	+6.1	-2.8
09/09/17	+3.8	-2.3
10/09/17	+0.0	-3.6
11/09/17	-1.0	-1.0
12/09/17	-4.0	-3.1		after dial up 24 hours. manual wind 20 turns.
14/09/17	-9.0	-1.1
15/09/17	-11.8	-2.8
16/09/17	-16.3			no rate yet - new period started on new 'phone
17/09/17	-21.1	-3.4
18/09/17	-25.8	-5.2		rate decreasing further?
19/09/17	-29.6	-3.7
20/09/17	-34.1	-4.3
21/09/17	-38.4	-4.3
22/09/17	-41.8	-3.4
23/09/17	-44.8	-2.9
24/09/17	-49.4	-4.4
25/09/17	-55.3	-6.5		biggest daily error so far
26/09/17	-58.6	-3.2
27/09/17	-61.2	-2.6
28/09/17	-64.0	-2.7
29/09/17	-67.5	-3.6		reset to +59.7s
30/09/17	+56.8	-2.8
01/10/17	+52.9	-3.9
02/10/17	+49.6	-3.4		11 months old. Worn daily
03/10/17	+46.4	-3.2
04/10/17	+43.3	-3.1
05/10/17	+40.5	-2.7
06/10/17	+37.6	-3.1
07/10/17	+32.2	-5.6

14/10/17	+8.9	-2.0
15/10/17	+6.4	-3.7
16/10/17	+3.9	-2.6
17/10/17	+0.2	-3.7
18/10/17	+1.6	+1.5		dial down overnight. positive rate!
19/10/17	-1.6	-3.0
20/10/17	-4.3	-2.7
21/10/17	-6.3	-1.9
22/10/17	-7.6	-1.3
23/10/17	-10.4	-3.0
24/10/17	-12.2	-1.9
25/10/17	-12.1	+0.1		dial down overnight
26/10/17	-12.6	-0.5		dial down overnight
27/10/17	-14.1	-1.5		dial down overnight
28/10/17	-14.5	-0.4
29/10/17	-17.9	-3.2		DST ends. Reset to +59.6s
30/10/17	+57.4	-2.4
31/10/17	+55.9	-1.5
01/11/17	+53.7	-1.9
02/11/17	+50.8	-2.9		12 months old. Worn daily. rate now average -2.1 s/d
03/11/17	+48.3	-3.0
04/11/17	+45.1	-3.1
05/11/17	+41.5	-3.5
06/11/17	+37.8	-3.6
07/11/17	+34.3	-3.7		rate dropping below -3 s/d
08/11/17	+30.3	-4.0
09/11/17	+26.6	-3.5
10/11/17	+23.2	-3.7
11/11/17	+22.7	-0.5
12/11/17	+19.9	-2.8
14/11/17	+13.1	-3.4
15/11/17	+9.7	-3.4
16/11/17	+6.2	-3.5
17/11/17	+2.7	-3.5
18/11/17	-0.8	-3.4
19/11/17	-4.6	-3.9
20/11/17	-7.3	-3.0
21/11/17	-9.5	-2.2
22/11/17	-12.2	-2.6
24/11/17	-18.9	-3.4
25/11/17	-21.4	-2.6
26/11/17	-22.8	-1.2
27/11/17	-25.7	-3.0
28/11/17	-27.8	-2.1
29/11/17	-30.6	-2.7
30/11/17	-33.6	-3.3
01/12/17	-36.1	-2.4		reset to ~ +60 s
02/12/17	+55.8	-3.5		13 months old. Worn daily
03/12/17	+54.3	-1.5
04/12/17	+51.1	-3.3
05/12/17	+48.4	-2.7
06/12/17	+45.5	-2.9
07/12/17	+42.0	-3.5
08/12/17	+39.7	-2.2
09/12/17	+34.3	-2.1
11/12/17	+32.4	-2.1
12/12/17	+30.8	-1.6		9-up overnight
13/12/17	+28.9	-1.9		9-up overnight
14/12/17	+27.2	-1.6		9-up overnight
15/12/17	+26.0	-1.3		9-up overnight
16/12/17	+24.8	-1.2		12-up overnight
17/12/17	+24.1	-0.6		12-up overnight
18/12/17	+22.0	-2.3
19/12/17	+20.9	-1.1		__1st attempt to regulate → __
20/12/17	+22.1	+4.0		after regulation and dial-down overnight
21/12/17	+22.5	+0.4		dial-up overnight (usual position)
22/12/17	+22.7	+0.1		regulation seems to have corrected rate error
23/12/17	+22.3	-0.4		time reset to -0.3 s
24/12/17	-0.2	+0.1
25/12/17	-0.1	+0,1
26/12/17	+0.4	+0.5
27/12/17	+0.6	+0.2
28/12/17	+1.6	+1.0
29/12/17	+1.6	+0.0
30/12/17	+5.8	+4.0		dial up for previous afternoon and overnight = fast rate
31/12/17	+0.6	-5.5		6-up for previous afternoon & overnight to slow rate and correct for yesterday
01/01/18	-0.1	-0.6
02/01/18	+1.9	+2.0		14 months old. Regulated once so far (19/12/17). Worn daily
03/01/18	+2.7	+0.9
04/01/18	+3.0	+0.3
05/01/18	+5.2	+2.2
06/01/18	+7.0	+1.6
07/01/18	+7.9	+1.0
08/01/18	+7.1	-0.9		6-up overnight micro-regulation...
09/01/18	+6.7	-0.4		6-up overnight
10/01/18	+6.4	-0.3		6-up overnight
11/01/18	+5.3	-1.0		6-up overnight
12/01/18	+3.1	-2.3		6-up overnight
13/01/18	+4.7	+1.6		back to dial-up overnight
14/01/18	+4.3	-0.4		6-up evening / dial-up overnight
15/01/18	+1.4	-2.7		dial up overnight. strange rate?
16/01/18	-3.0	-4.8		rate dropping again?
17/01/18	-6.2	-3.3		??
18/01/18	-8.8	-2.6		?
19/01/18	-11.0	-2.2
20/01/18	-16.1	-5.1		???
21/01/18	-19.2	-3.0		??
22/01/18	-22.2	-3.7		__regulated later in day to attempt to correct recent -ve rate__
23/01/18	-22.1	+0.8		timegrapher showed odd spells of low amplitude.
24/01/18	-20.5	+1.5
25/01/18	-17.6	+2.8
26/01/18	-16.0	+1.7
27/01/18	-12.2	+3.5
28/01/18	-8.7	+3.5		going +ve now!!
29/01/18	-8.0	+0.7
30/01/18	-4.5	+3.5
31/01/18	-6.6	-2.0		6-up overnight
01/02/18	-4.3	+2.4
02/02/18	-2.5	+1.8		15 months old. Regulated twice now (19/12/17 and 22/01/18)
03/02/18	-4.5	-2.3		3-up overnight
04/02/18	-3.2	+1.3
05/02/18	-1.0	+2.4
06/02/18	-2.2	-1.3
07/02/18	-1.2	+0.9
08/02/18	+3.0	+4.2
09/02/18	+2.6	-0.4
10/02/18	+4.4	+1.7
11/02/18	-17.0	-19.5		6-up from 4pm yesterday & overnight. big loss in this position
12/02/18	-14.5	+2.8
13/02/18	-12.4	+2.1
14/02/18	-13.1	-0.7
15/02/18	-11.4	+1.7
16/02/18	-12.2	-0.7		seems to be getting more variable over time.
17/02/18	-9.7	+2.3
18/02/18	-14.2	-4.4		dial up from yesterday afternoon. power low?
19/02/18	-15.2	-1.0		dial up from 1600 previous day until 0800
20/02/18	-12.6	+2.8
21/02/18	-12.6	+0.0
22/02/18	-6.9	+5.4		rate increasing now!!?
23/02/18	-2.1	+5.3
24/02/18	+3.3	+5.0
25/02/18	+7.8	+4.6
26/02/18	+13.5	+5.7
27/02/18	+19.6	+6.2
28/02/18	+25.2	+5.7
01/03/18	+33.6	+8.3		?! reset to -1.1s
02/03/18	+4.7	+5.9		16 months old. Worn daily. rate more variable and increasing?
03/03/18	+12.1	+6.9
04/03/18	+18.3	+6.5
05/03/18	+24.1	+5.8
06/03/18	+31.9	+8.1
07/03/18	+37.2	+5.4
08/03/18	+44.6	+6.9		__Regulated for 3rd time__ to reduce rate.
09/03/18	+44.4	-0.1
10/03/18	+42.8	-1.6		too far?
11/03/18	+41.9	-0.9
12/03/18	+38.2	-3.8		worn 24/7
13/03/18	+36.0	-2.3
14/03/18	+34.1	-1.8
15/03/18	+32.9	-1.2
16/03/18	+30.5	-2.6
17/03/18	+27.7	-2.8
18/03/18	+25.2	-2.3
19/03/18	+22.8	-2.5
20/02/18	+19.3	-3.4
21/03/18	+18.4	-0.9
22/03/18	+17.7	-0.7
23/03/18	+13.8	-4.1		__regulated for 4th time__ to increase rate
24/03/18	+13.2	-0.5
25/03/18	+12.6	-0.6		reset to DST. -0.7s
26/03/18	+0.3	+1.2
27/03/18	+0.5	+0.2
28/03/18	+0.7	+0.1
29/03/18	+1.8	+1.0
30/03/18	+1.2	-0.6
31/03/18	+3.0	+1.8
01/04/18	+5.2	+2.1
02/04/18	+5.1	-0.1		17 months old. Worn daily. 
03/04/18	+5.1	+0.0
04/04/18	+4.9	-0.3
05/04/18	+4.7	-0.2
06/04/18	+4.6	-0.1
07/04/18	+4.2	-0.3
08/04/18	+3.0	-1.2
09/04/18	+3.5	+0.4
10/04/18	+2.8	-0.6
11/04/18	+1.9	-1.0
12/04/18	+1.7	-0.2
14/04/18	-1.6	-1.6
15/04/18	-2.1	-0.5
16/04/18	-2.6	-0.5
17/04/18	-3.4	-0.9
18/04/18	-3.9	-0.5
19/04/18	-8.3	-4.2		??!
20/04/18	-8.5	-0.2
21/04/18	-8.4	+0.1
22/04/18	-8.4	+0.0
23/04/18	-9.1	-0.7
24/04/18	-9.8	-0.7
25/04/18	-10.9	-1.1
26/04/18	-10.7	+0.2
28/04/18	-11.1	-0.2
29/04/18	-11.6	-0.5
01/05/18	-12.0	-1.1
07/05/18	-17.8	-2.0		time reset. 18 months old.
08/05/18	-1.5	-1.0

Big break for heart attack and recovery.....

17/07/18	-12.7	-6.7		first day back after 2 month break. 20 months old
18/07/18	-15.0	-2.5
19/07/18	-18.2	-3.3
20/07/18	-24.3	-6.0		???!
21/07/18	-27.2	-2.5
22/07/18	-27.9	-0.8
23/07/18	-29.9	-2.1		variable day to day?
24/07/18	-33.2	-3.3
25/07/18	-24.8	-1.5
26/07/18	-37.2	-2.5
27/07/18	-38.8	-1.5
28/07/18	-40.9	-2.2
29/07/18	-42.9	-1.9
30/07/18	-47.9	-5.4
31/07/18	-49.1	-1.2
01/08/18	-51.2	-2.0
02/08/18	-52.5	-1.4		21 months old.
03/08/18	-54.9	-2.3		time reset to +28.5
04/08/18	+27.4	-1.1
05/08/18	+26.2	-1.1
06/08/18	+17.0	-9.8		???!!!
07/08/18	+14.9	-2.0
08/08/18	+12.6	-2.4
09/08/18	+10.5	-2.0
10/08/18	+9.1	-1.4
11/08/18	+6.2	-3.0
12/08/18	+9.7	+3.1		dial down overnight
13/08/18	+9.1	-0.7
14/08/18	+10.3	+1.1		dial down overnight
15/08/18	+12.4	+2.1		dial down overnight
16/08/18	+12.6	+0.2		dial down overnight
17/08/18	+12.4	-0.2		dial down overnight
18/08/18	+12.4	+0.0		dial down overnight
19/08/18	+9.1	-3.3		dial down overnight ???
20/08/18	+8.1	-1.1		dial down overnight
21/08/18	+5.5	-2.6		dial down overnight ?? slowing??
22/08/18	+6.0	+0.5		dial down overnight
23/08/18	+4.3	-1.6		dial down overnight
24/08/18	+2.6	-1.7		12-up overnight
25/08/18	+0.5	-2.0		dial up overnight (usual position)
26/08/18	-1.1	-1.6
27/08/18	-1.2	-0.1
28/08/18	-3.6	-2.4
29/08/18	-5.7	-2.1
30/08/18	-36.3	-31.4		????? Massive loss in one day!!! Rate and amplitude errors v. bad on Timegrapher.

Put aside until October 2019!!

Tested and worn.... no obvious problems. Still suspicious of winding/power issues.

31/10/19	-2.2	-3.3
01/11/19	-4.2	-2.0
02/11/19	-6.7	-2.3		2 years old. 13 months un-wound after observed problems Aug 2018.
03/11/19	-7.5	-0.8		dial down overnight
04/11/19	-8.5	-1.0		dial down overnight
05/11/19	Power reserve test in progress....
06/11/19	-3.6			new period after power reserve test (33:52 running time off-wrist)
07/11/19	-6.1	-2.6
08/11/19	-7.5	-1.6		dial down overnight
09/11/19	-9.5	-1.7		dial down overnight
10/11/19	-11.9	-2.4		dial down overnight
11/11/19	-14.1	-2.3		dial up overnight. Low amp. observed during the previous day?
12/11/19	-16.2	-2.2		Overnight on winder. Low amp. observed during the previous day
13/11/19	-18.6	-2.3		overnight on winder. being consistent day → day despite amplitude concerns.
14/11/19	-21.0	-2.3		overnight on winder.

New period - fault re-appearing

14/11/19	-32.6	-44.9 		(21:04:32) on winder for previous hour. 2 seconds lost.    	      
15/11/19	-45.2	-19.5  		(17:36:45) on TG since 06:30.... variable amp. & poor rate

Page Updated: 06/03/25 06:49 GMT