Seiko Cal. 6331 - 800

Seiko 6331-800

This Hand-Winding model from 1980 features a 41mm Two-Tone case. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-6df92f162a11]

Also known as: Monster, Sea Horse

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
41mm
Case Thickness
15.1mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
110m
Dial Color
Burgundy
Jewels
31j
Frequency
28,800 bph
Power Reserve
54 hours
Year
1980

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