Seiko Cal. 4531 - 564

This Automatic model from 1968 features a 44mm PVD Black case. The Fixed bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-78d987c3d5b0]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Cream

Jewels

33j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1968

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