Seiko Cal. 6642 - 995

This Kinetic model from 1979 features a 37mm Hardlex-Coated Steel case. With its 21mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-ab4582fbc2e1]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1979

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