Seiko Cal. 4556 - 671

The Seiko 4556-671 represents an important milestone in Seiko's 1987 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-e6e3831d129f]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1987

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