Seiko Cal. 3831 - 312

Seiko 3831-312

This Automatic model from 1980 features a 45mm Titanium case. Powered by the 3831 caliber with 36j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-054ab80b00e3]

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
45mm
Case Thickness
12.9mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Black
Jewels
36j
Frequency
28,800 bph
Power Reserve
58 hours
Year
1980

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seikata-wm-054ab80b00e3