Seiko V110A Parts Catalogue /technical Manual
1
[SPECIFICATIONS]
Cal. No.
Item
V110A
Movement
(x 2.0)
Movement
size
PARTS CATALOGUE / TECHNICAL GUIDE
Cal. V110A
15.55 mm between 12 o’clock and 6 o’clock sides
11.80 mm between 3 o’clock and 9 o’clock sides
Outside diameter
15.15 mm between 12 o’clock and 6 o’clock sides
11.80 mm between 3 o’clock and 9 o’clock sides
Time indication Two hands (Moves at 20-second intervals)
Height 2.09 mm
Casing diameter
Driving system Step motor (Load compensated driving pulse type)
Loss/gain Monthly rate at normal temperature range: less than 20 seconds
Regulation system
Nil
Measuring gate by quartz tester Use 10-second gate.
Power
supply
Solar power systemPower generator
Rechargeable
battery
Expected life per charge From full charge to stoppage: Approx. 5 months
Titanium lithium ion rechargeable battery
Additional mechanism • Electronic circuit reset switch
• Overcharge prevention function
0 jewelsJewels
2
PARTS CATALOGUE
Disassembling procedures Figs. : 1 → 26
Reassembling procedures Figs. : 26 → 1
Lubricating: Types of oil Oil quantity
Moebius A Normal quantity
Moebius F
➡
Please see the remarks on the following pages.
Lubricating of some parts is shown in “II. REMARKS ON DISASSEMBLING AND REASSEMBLING”.
Cal. V110A
0022 221
• Circuit block cover screw (2 pcs.)
• Train wheel bridge screw (1 pc.)
2 Dial
1 Hour and minute hands
3 Case ring
Movement
4 4020 575
Solar cell unit
7 0271 946
Hour wheel
6 0491 735
Dial washer
5 4246 644
Solar cell lead
terminal
Remarks on removing the winding stem
· To remove the winding stem, push the
setting lever using something with a
pointed, as the hole for pushing it is
very small.
· In doing so, take care not to damage the
circuit block board placed near the hole.
3
PARTS CATALOGUE
Cal. V110A
➡
Please see the remarks on the following pages.
Lubricating of some parts is shown in “II. REMARKS ON DISASSEMBLING AND REASSEMBLING”.
18 0281 807
Setting wheel
19 0384 806
Yoke
20 0261 808
Minute wheel
8 0022 221
Circuit block cover screw
9 4457 901
Circuit block cover
24 0282 806
Clutch wheel
25 4239 909
Rotor stator
26 0100 969
Main plate
21 0389 909
Setting lever spring
22 0383 806
Setting lever
23 Winding stem
17 0221 967
Center wheel and pinion
16 4146 557
Step rotor
15 0231 811
Third wheel and pinion
14 4002 909
Coil block
13 0125 908
Train wheel bridge
12 0022 221
Train wheel bridge screw
11 3027 26T
Rechargeable battery unit
10 4000 657
Circuit block
4
PARTS CATALOGUE
Cal. V110A
Remarks:
3 Case ring 8280 562
The type of case ring is determined based on the design of cases. Check the case number and refer to
“SEIKO Casing Parts Catalogue” to choose a corresponding case ring.
23 Winding stem 0351 861
The type of winding stem is determined based on the design of cases. Check the case number and refer
to “SEIKO Casing Parts Catalogue” to choose a corresponding winding stem.
TECHNICAL GUIDE Cal. V110A
• The explanation here is only for the particular points of Cal. V110A.
• For the repairing, checking and measuring procedures, refer to the “TECHNICAL GUIDE, GENERAL
INSTRUCTIONS”.
I. STRUCTURE OF THE CIRCUIT BLOCK
Coil output terminal
Crystal unit
Input terminal (+)
Input terminal (–)
C-MOS-IC
II. REMARKS ON DISASSEMBLING AND REASSEMBLING
For disassembling and reassembling, be sure to use the universal movement holder.
2 Dial
• How to install
Set the notched portions of the dial to the
guide protrusions “A” and “B” of the case
ring, and check that the dial is fixed in position.
Note: When checking the assembling of the
hands, hold the dial securely as it easily
comes out of position.
Dial
Guide protrusion
“B” of
the case ring
Guide protrusion
“A” of
the case ring
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