Seiko Cal. 7090 - 510

The Seiko 7090-510 represents an important milestone in Seiko's 1970 lineup. Powered by the 7090 caliber with 26j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-233986d4f5b3]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1970

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