Seiko Cal. 5242 - 340

The Seiko 5242-340 represents an important milestone in Seiko's 1981 lineup. Powered by the 5242 caliber with 18j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-08f9ec48b37f]

Also known as: Samurai, Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Cream

Jewels

18j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1981

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