Seiko Cal. 5624 - 389

The 5624-389 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5624 caliber with 31j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-91180643d7dd]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1978

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