Seiko Cal. 6624 - 690

This Spring Drive model from 1982 features a 46mm Hardlex-Coated Steel case. With its 21mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-7dfe2e4d26bd]

Also known as: Samurai, Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1982

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