Seiko Cal. 3897 - 604

This Quartz model from 1992 features a 37mm Hardlex-Coated Steel case. With its 18mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-1f9c59d4c964]

Also known as: Sumo, Helmet

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1992

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