Seiko Cal. 4431 - 548

The Seiko 4431-548 represents an important milestone in Seiko's 1985 lineup. It features a Black dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-4a2038b19185]

Also known as: Turtle, Sea Horse

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

45mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1985

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