Seiko Cal. 5643 - 824

The 5643-824 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5643 caliber with 18j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-596c23b4d3ca]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1985

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