Seiko Cal. 4537 - 239

The Seiko 4537-239 represents an important milestone in Seiko's 1986 lineup. Powered by the 4537 caliber with 34j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-0100c72e7c9f]

Also known as: World Timer

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1986

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