Seiko Cal. 6642 - 140

This Solar model from 1985 features a 44mm Two-Tone case. Powered by the 6642 caliber with 18j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-2036c69d5d28]

Also known as: Sumo, Silverwave

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

44mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1985

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