Seiko Cal. 7087 - 683

Seiko 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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