Seiko Cal. 4531 - 903

The Seiko 4531-903 represents an important milestone in Seiko's 1985 lineup. It features a Champagne dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-5e9ee5deaaf2]

Also known as: Samurai, Sumo

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

29j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1985

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