Seiko Cal. 0731 - 188

This Kinetic model from 1968 features a 40mm PVD Black case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-1112cf40ed04]

Also known as: Arnie

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1968

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