Seiko Cal. 4538 - 534

This Hand-Winding model from 1991 features a 43mm Hardlex-Coated Steel case. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-f24a980f8f7e]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Burgundy

Jewels

21j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1991

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