Seiko Cal. 5212 - 683

The Seiko 5212-683 represents an important milestone in Seiko's 1981 lineup. Powered by the 5212 caliber with 30j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-1e723a0abe76]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1981

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