Seiko Cal. 6642 - 531

This Quartz model from 1975 features a 43mm Titanium case. Powered by the 6642 caliber with 17j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-59e1af41bec2]

Also known as: Arnie

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1975

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