Seiko Cal. 5624 - 515

This Spring Drive model from 1979 features a 35mm PVD Black case. Powered by the 5624 caliber with 18j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-75c996614329]

Also known as: Sumo, UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

13.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1979

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