Seiko Cal. 7099 - 839

The Seiko 7099-839 represents an important milestone in Seiko's 1973 lineup. Powered by the 7099 caliber with 31j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-4e5414f5a18f]

Also known as: Sumo, Flighty

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1973

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