Seiko Cal. 5642 - 841

Seiko 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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