Seiko Cal. 4537 - 336

This Kinetic model from 1990 features a 34mm PVD Black case. Powered by the 4537 caliber with 17j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-1c7bcf55f4ed]

Also known as: Sumo, UFO

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1990

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