Seiko Cal. 7087 - 683

The 7087-683 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7087 caliber with 31j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-7fc6e5c68c3a]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1985

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