Seiko Cal. 4481 - 918

The Seiko 4481-918 represents an important milestone in Seiko's 1989 lineup. It features a Black dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-0339b464d762]

Also known as: Bellmatic, Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1989

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