Seiko Cal. 0718 - 939

The 0718-939 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 0718 caliber with 18j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-8be98c1f0bd0]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

18j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1978

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