Seiko Cal. 6642 - 942

This Hand-Winding model from 1981 features a 36mm PVD Black case. Powered by the 6642 caliber with 31j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-d502f7faeb96]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1981

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