Seiko Cal. 0718 - 421

This Hand-Winding model from 1983 features a 42mm Hardlex-Coated Steel case. Powered by the 0718 caliber with 36j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-a389b377acbb]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1983

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