Seiko Cal. 3815 - 257

Seiko 3815-257

This Automatic model from 1981 features a 41mm Titanium case. With its 22mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-9d7eaa9b0353]

Also known as: Sumo, Baby Tuna

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
41mm
Case Thickness
12.9mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Blue Sunburst
Jewels
27j
Frequency
36,000 bph
Power Reserve
58 hours
Year
1981

Related Models

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