Seiko Cal. 4547 - 723

The Seiko 4547-723 represents an important milestone in Seiko's 1989 lineup. It features a White dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-717109ad2071]

Also known as: Sumo, Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1989

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