Seiko Cal. 6331 - 925

Seiko 6331-925

The 6331-925 is a sought-after Automatic piece from Seiko's golden era. The Fixed bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-17fc5e86545e]

Also known as: Monster, Golden Tuna

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
46mm
Case Thickness
14.3mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
140m
Dial Color
Burgundy
Jewels
33j
Frequency
36,000 bph
Power Reserve
60 hours
Year
1968

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