Thursday, 10 October 2019

Vintage Seiko 5 wrist watch with Cal 4206B


Back to working on a mechanical watch movement today, after doing a lot of quartz watches.
Seiko 5 Automatic, 17 Jewels, Calibre 4206B
Seiko 5 Automatic, 17 Jewels, Calibre 4206B 
This one is a vintage Seiko 5 Automatic, 17 Jewels, Calibre 4206B with instant calendar Day and Date setting device.

Movement disassembled and all parts cleaned and ready for reassembling.
Seiko 5 Automatic, 17 Jewels, Calibre 4206B
Seiko 5 Automatic, 17 Jewels, Calibre 4206B 
At least I have the Seiko Technical sheet to guide me in reassembling the 76 parts, in 63 stages. 
Seiko 5 Automatic, 17 Jewels, Calibre 4206B Technical Guide
Seiko 5 Automatic, 17 Jewels, Calibre 4206B Technical Guide

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