Seiko Cal. 5660 - 800

The Seiko 5660-800 represents an important milestone in Seiko's 1981 lineup. Powered by the 5660 caliber with 33j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-048b41506850]

Also known as: Shogun, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1981

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