Seiko Cal. 6337 - 531

This Automatic model from 1968 features a 37mm PVD Black case. It features a White dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-04d7f8443521]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1968

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