Seiko Cal. 6271 - 538

This Spring Drive model from 1973 features a 37mm Gold-Plated case. Powered by the 6271 caliber with 17j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-997277113ddf]

Also known as: UFO, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1973

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