Seiko Cal. 6391 - 441

This Quartz model from 1969 features a 46mm Stainless Steel case. Powered by the 6391 caliber with 20j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-598836d62d26]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1969

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