Seiko Cal. 4583 - 726

The 4583-726 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4583 caliber with 20j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-f9eff6facc91]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1966

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