Seiko Cal. 4481 - 631

The Seiko 4481-631 represents an important milestone in Seiko's 1979 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-9fc8a17b4054]

Also known as: Navigator, Sea Horse

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

35mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

22j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1979

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