Seiko Cal. 6390 - 930

This Quartz model from 1973 features a 43mm Titanium case. Powered by the 6390 caliber with 20j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-d7251026af80]

Also known as: UFO, Crown

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Champagne

Jewels

20j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1973

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