Seiko Cal. 4427 - 239

The 4427-239 is a sought-after Spring Drive piece from Seiko's golden era. It features a Burgundy dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-9837d0a84656]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

22j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1974

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