Seiko Cal. 6654 - 817

The Seiko 6654-817 represents an important milestone in Seiko's 1988 lineup. Powered by the 6654 caliber with 18j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-0ae58c5594de]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

White

Jewels

18j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1988

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