Seiko Cal. 3831 - 612

Seiko 3831-612

This Hand-Winding model from 1984 features a 45mm Titanium case. It features a Cream dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-58fc122ed495]

Also known as: Helmet, Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
45mm
Case Thickness
15.8mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
130m
Dial Color
Cream
Jewels
36j
Frequency
28,800 bph
Power Reserve
50 hours
Year
1984

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