Seiko Cal. 4591 - 381

The 4591-381 is a sought-after Spring Drive piece from Seiko's golden era. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-df34ae2c9f7e]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Champagne

Jewels

29j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1977

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