Seiko Cal. 4581 - 634

This Hand-Winding model from 1991 features a 40mm Titanium case. It features a Burgundy dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-3fd2ba5e62e1]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Burgundy

Jewels

23j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1991

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