Seiko Cal. 4531 - 912

Seiko 4531-912

This Automatic model from 1971 features a 41mm Stainless Steel case. With its 21mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-00a692af1e1e]

Also known as: Baby Tuna

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
41mm
Case Thickness
12.2mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Navy
Jewels
36j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1971

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