Seiko Cal. 6654 - 647

The Seiko 6654-647 represents an important milestone in Seiko's 1975 lineup. Powered by the 6654 caliber with 29j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-1f7b7d93c8e2]

Also known as: Pogue, Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1975

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