Seiko 7T85 Technical Manual page 8

Double retrograde chronograph
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PARTS LIST
● How to find the correct parts, if not determined by 4 digit caliber number
Following parts are determined based on the design of watches, such as hands height, dial color,
and design of cases. Please refer to the SEIKO WATCH PARTS CATALOGUE in order to choose
corresponding parts.
HOLDING RING FOR DIAL
3
DATE DIAL
49
SETTING STEM
● How to discriminate resembled parts
Refer to the illustrations below to see the difference between those two types of pins.

PIN FOR DATE DIAL GUARD
0027973
● Tools and consumables required for disassembling/reassembling
• Movement holder
UNIVERSAL MOVEMENT HOLDER
(S-682)
• Watch oils
SEIKO watch grease (S-6) and watch oils (AO-3 and AO-2)
S-6
(0866788)
(0878***)
(035583)
8
PIN FOR TRAIN WHEEL BRIDGE
0027974
AO-3
8/7
Cal. 7T85A
AO-2

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