Seiko Cal. 6231 - 549

This Automatic model from 1976 features a 35mm PVD Black case. It features a White dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-02ce98c66a9c]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1976

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