Seiko Cal. 6636 - 345

Seiko 6636-345

This Automatic model from 1977 features a 43mm Gold-Plated case. With its 21mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-7ff41c7b3925]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
43mm
Case Thickness
8.4mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Champagne
Jewels
24j
Frequency
36,000 bph
Power Reserve
50 hours
Year
1977

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