Seiko Cal. 5655 - 556

The Seiko 5655-556 represents an important milestone in Seiko's 1990 lineup. Powered by the 5655 caliber with 29j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-4b306a3f20de]

Also known as: UFO, Sportsmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

46mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Champagne

Jewels

29j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1990

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