Seiko Cal. 5647 - 416

Seiko 5647-416

This Spring Drive model from 1984 features a 36mm Stainless Steel case. With its 21mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-fe7e8871aa5a]

Also known as: Bullhead, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
12.8mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
200m
Dial Color
Blue Sunburst
Jewels
21j
Frequency
36,000 bph
Power Reserve
51 hours
Year
1984

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