Seiko Cal. 0720 - 343

This Automatic model from 1972 features a 40mm Hardlex-Coated Steel case. Powered by the 0720 caliber with 29j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-278a160b9bd1]

Also known as: Helmet, Rally

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Champagne

Jewels

29j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1972

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