Seiko Cal. 5655 - 739

The Seiko 5655-739 represents an important milestone in Seiko's 1991 lineup. Powered by the 5655 caliber with 30j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-4aa6942877f6]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1991

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