Seiko Cal. 0724 - 913

This Spring Drive model from 1972 features a 42mm Hardlex-Coated Steel case. It features a Black dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-a2e6213a43c3]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1972

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