Seiko Cal. 5642 - 841

This Kinetic model from 1980 features a 35mm Two-Tone case. Powered by the 5642 caliber with 25j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-8e6d1a179b1a]

Also known as: Sumo, Helmet

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Cream

Jewels

25j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1980

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