Seiko Cal. 6654 - 763

The Seiko 6654-763 represents an important milestone in Seiko's 1985 lineup. Powered by the 6654 caliber with 33j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-112cab25d93a]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1985

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