Seiko Cal. 6331 - 280

Seiko 6331-280

This Spring Drive model from 1995 features a 36mm Hardlex-Coated Steel case. With its 20mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-99a0c78131ec]

Also known as: Shogun, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
15.9mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Blue Sunburst
Jewels
28j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1995

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seikata-wm-99a0c78131ec