Cal. 7K52A
Please see the remarks on the following pages.
Disassembling procedures Figs. :
1
→
101
Reassembling procedures Figs.
:
101
→
1
Lubricating:
Types of oil
Oil quantity
Moebius A
Normal quantity
SEIKO Watch Oil S-6
Extremely small
Silicone oil 500,000 c.s.
5 Movement
PARTS CATALOGUE
Piezoelectric element
3
Case ring
21
Dial
6
Gasket for sensor unit
10
Button at the 8 o’clock side
14
Hour hand
13
Minute hand
12
Diving time hand
16
Depth hand
17
1/10 m depth hand
18
Small second hand
19
Alarm minute hand
20
Alarm hour hand
15
Maximum depth hand
22
0491 623
Dial washer
11
case
3
7 Button spring clip
9 Button at the 10
o’clock side
8
Button at the 2 o’clock side
23
4
Crown (with winding stem)
Lubricating of some parts is shown in “III. REMARKS ON DISASSEMBLING AND REASSEMBLING”.
1
Case back
2 Case back gasket
Insulator
0494696
(Revised: 2007/09/13
changed the part name
to Insulator from gasket)
