Seiko Cal. 6394 - 504

The Seiko 6394-504 represents an important milestone in Seiko's 1972 lineup. Powered by the 6394 caliber with 18j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-51e3e77d83eb]

Also known as: Sumo, Flighty

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Cream

Jewels

18j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1972

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