Seiko Cal. 4556 - 991

The Seiko 4556-991 represents an important milestone in Seiko's 1997 lineup. It features a Champagne dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-60710f4c9c80]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1997

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