Seiko Cal. 5624 - 231

The Seiko 5624-231 represents an important milestone in Seiko's 1968 lineup. Powered by the 5624 caliber with 36j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-d093d03c4fe3]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

44mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1968

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