Seiko Cal. 4537 - 581

This Quartz model from 1993 features a 40mm Two-Tone case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-5b08cd1acaed]

Also known as: Sumo, Goldfeather

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1993

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