Seiko Cal. 4563 - 740

This Quartz model from 1971 features a 38mm PVD Black case. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-9ed322782864]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Champagne

Jewels

28j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1971

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