Seiko Cal. 4510 - 722

The Seiko 4510-722 represents an important milestone in Seiko's 1991 lineup. It features a Silver dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-386d4ad80536]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1991

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