Seiko Cal. 5648 - 317

This Spring Drive model from 1976 features a 44mm Hardlex-Coated Steel case. Powered by the 5648 caliber with 27j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-1fd46819964c]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Green

Jewels

27j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1976

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