Seiko Cal. 5656 - 555

This Spring Drive model from 1992 features a 39mm PVD Black case. Powered by the 5656 caliber with 19j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-fee9142221b7]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

19j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1992

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