Seiko Cal. 6390 - 473

This Quartz model from 1978 features a 35mm Stainless Steel case. Powered by the 6390 caliber with 29j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-1345c61ce444]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Champagne

Jewels

29j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1978

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