Seiko Cal. 5624 - 686

Released in 1967, the Cal. 5624 with design code 686 was part of Seiko's domestic market collection. Powered by the 5624 caliber with 36j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-34ccd4ad20dd]

Also known as: Tuna, World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1967

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