Seiko Cal. 6231 - 437

This Quartz model from 1968 features a 34mm PVD Black case. It features a Silver dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-3f63acb73c11]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1968

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