Seiko Cal. 5624 - 765

The Seiko 5624-765 represents an important milestone in Seiko's 1974 lineup. Powered by the 5624 caliber with 19j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-2989425334ee]

Also known as: Tuna, Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

White

Jewels

19j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1974

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