Seiko Cal. 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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