Seiko Cal. 6654 - 393

The Seiko 6654-393 represents an important milestone in Seiko's 1972 lineup. Powered by the 6654 caliber with 35j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-7aa314935a75]

Also known as: Shogun, Helmet

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1972

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