Seiko Cal. 5624 - 477

The 5624-477 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5624 caliber with 25j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-be154ad8fb76]

Also known as: Sumo, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

25j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1965

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