Seiko Cal. 4423 - 322

The 4423-322 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4423 caliber with 34j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-ce0b44b378d3]

Also known as: Tuna, Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1976

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