Seiko Cal. 4538 - 288

This Hand-Winding model from 1990 features a 35mm PVD Black case. It features a Black dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-0002e483978e]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1990

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