Seiko Cal. 6642 - 392

This Spring Drive model from 1993 features a 38mm Gold-Plated case. With its 20mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-a7673b90cf5e]

Also known as: Sumo, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1993

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