Seiko Cal. 4588 - 561

This Hand-Winding model from 1977 features a 37mm Titanium case. It features a Cream dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-a6bf5544fdd2]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

36j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1977

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