Seiko Cal. 6331 - 266

This Automatic model from 1978 features a 42mm Gold-Plated case. It features a Black dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-3fd22d42b687]

Also known as: UFO, Golden Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1978

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