Seiko Cal. 4438 - 583

The 4438-583 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4438 caliber with 34j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-e0daa313ecaa]

Also known as: Panda, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

34j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1966

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