Seiko Cal. 5655 - 904

The Seiko 5655-904 represents an important milestone in Seiko's 1971 lineup. Powered by the 5655 caliber with 18j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-aa46647d1afd]

Also known as: Helmet, Silverwave

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Champagne

Jewels

18j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1971

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