Seiko Cal. 4493 - 681

This Spring Drive model from 1991 features a 37mm Hardlex-Coated Steel case. With its 21mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-12dd847a830d]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1991

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