Seiko Cal. 7099 - 552

The Seiko 7099-552 represents an important milestone in Seiko's 1978 lineup. Powered by the 7099 caliber with 21j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-5dc0a1e04744]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1978

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