Seiko Cal. 0724 - 227

The Seiko 0724-227 represents an important milestone in Seiko's 1979 lineup. Powered by the 0724 caliber with 20j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-4c04397a14a7]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1979

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