Seiko Cal. 0742 - 426

This Spring Drive model from 1972 features a 46mm Hardlex-Coated Steel case. Powered by the 0742 caliber with 21j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-2e8ff358f61c]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1972

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