Seiko Cal. 4423 - 526

The 4423-526 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4423 caliber with 30j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-36d14cb2d737]

Also known as: UFO, Baby Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1968

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