Seiko Cal. 6655 - 474

The Seiko 6655-474 represents an important milestone in Seiko's 1972 lineup. Powered by the 6655 caliber with 20j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-72aa8a6a29eb]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1972

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