Seiko Cal. 6670 - 422

This Hand-Winding model from 1973 features a 40mm PVD Black case. Powered by the 6670 caliber with 18j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-5fdc6fa29b45]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1973

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