Seiko Cal. 4438 - 627

The 4438-627 is a sought-after Spring Drive piece from Seiko's golden era. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-8b47e763a28c]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1981

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