Seiko Cal. 6631 - 804

Seiko 6631-804

This Hand-Winding model from 1967 features a 38mm Titanium case. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-2b32eb3fec0b]

Also known as: Monster, Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
38mm
Case Thickness
15.0mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
Blue Sunburst
Jewels
32j
Frequency
36,000 bph
Power Reserve
50 hours
Year
1967

Related Models

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