Seiko Cal. 6674 - 564

This Spring Drive model from 1968 features a 40mm Gold-Plated case. Powered by the 6674 caliber with 31j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-23754479b45d]

Also known as: UFO, Flighty

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1968

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