Seiko Cal. 4591 - 155

The Seiko 4591-155 represents an important milestone in Seiko's 1982 lineup. It features a White dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-997d96b5a53e]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1982

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