Seiko Cal. 4431 - 585

The Seiko 4431-585 represents an important milestone in Seiko's 1977 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-c80506806794]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1977

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