Seiko Cal. 6331 - 464

This Automatic model from 1983 features a 37mm PVD Black case. Powered by the 6331 caliber with 31j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-fc483ddac42e]

Also known as: Bullhead, Rally

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1983

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