Seiko Cal. 7017 - 509

Seiko 7017-509

The 7017-509 is a sought-after Solar piece from Seiko's golden era. Powered by the 7017 caliber with 31j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-8997a198d0e3]

Also known as: Sumo, Sportsmatic

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
44mm
Case Thickness
11.2mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Blue Sunburst
Jewels
31j
Frequency
21,600 bph
Power Reserve
52 hours
Year
1982

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