Seiko Cal. 4556 - 803

The Seiko 4556-803 represents an important milestone in Seiko's 1996 lineup. It features a Black dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-9da0c0e615a4]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1996

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