Seiko Cal. 5651 - 758

Seiko 5651-758

The 5651-758 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5651 caliber with 31j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-6736f61f78e7]

Also known as: Helmet, Sportsmatic

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
46mm
Case Thickness
13.1mm
Lug Width
19mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
100m
Dial Color
Black
Jewels
31j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1979

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