Seiko Cal. 5624 - 321

The Seiko 5624-321 represents an important milestone in Seiko's 1972 lineup. Powered by the 5624 caliber with 22j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-24e6fabd7e5b]

Also known as: Samurai, Rally

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1972

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