Seiko Cal. 4481 - 635

The Seiko 4481-635 represents an important milestone in Seiko's 1976 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-9e199879f986]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1976

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