Seiko Cal. 4456 - 531

The Seiko 4456-531 represents an important milestone in Seiko's 1987 lineup. It features a Black dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-3edf96cd35b0]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1987

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