Seiko Cal. 6231 - 290

Seiko 6231-290

This Spring Drive model from 1988 features a 37mm Gold-Plated case. With its 19mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-a1aa4318e061]

Also known as: Tuna, Pogue

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
11.6mm
Lug Width
19mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
70m
Dial Color
White
Jewels
30j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1988

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seikata-wm-a1aa4318e061