Seiko Cal. 5661 - 654

The Seiko 5661-654 represents an important milestone in Seiko's 1988 lineup. Powered by the 5661 caliber with 27j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-3f2ee6fcc898]

Also known as: Bullhead, Flighty

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1988

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