Seiko Cal. 0770 - 313

Seiko 0770-313

This Automatic model from 1990 features a 41mm Titanium case. With its 21mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-70e521718ef7]

Also known as: Sumo, Bullhead

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
41mm
Case Thickness
13.2mm
Lug Width
21mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
180m
Dial Color
Cream
Jewels
30j
Frequency
28,800 bph
Power Reserve
40 hours
Year
1990

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seikata-wm-70e521718ef7