Seiko Cal. 6394 - 541

The Seiko 6394-541 represents an important milestone in Seiko's 1972 lineup. Powered by the 6394 caliber with 20j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-5b9bc530f738]

Also known as: UFO, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

White

Jewels

20j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1972

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