Seiko Cal. 6375 - 421

The Seiko 6375-421 represents an important milestone in Seiko's 1973 lineup. Powered by the 6375 caliber with 26j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-01065c5d8b5e]

Also known as: UFO, Goldfeather

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Navy

Jewels

26j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1973

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