Seiko Cal. 5624 - 749

The 5624-749 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5624 caliber with 34j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-cfe7c7fe352e]

Also known as: Sumo, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Silver

Jewels

34j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1986

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