Seiko Cal. 0723 - 920

This Spring Drive model from 1991 features a 40mm Hardlex-Coated Steel case. It features a Black dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-8720b925da7f]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1991

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