Seiko Cal. 4425 - 642

This Quartz model from 1966 features a 42mm Stainless Steel case. Powered by the 4425 caliber with 32j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-f7d788c18300]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1966

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