Seiko Cal. 4523 - 840

The Seiko 4523-840 represents an important milestone in Seiko's 1993 lineup. It features a Black dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-790e44d97980]

Also known as: UFO, World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1993

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