Seiko Cal. 7117 - 311

Seiko 7117-311

The 7117-311 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7117 caliber with 31j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-f985d3eaebe3]

Also known as: Tuna, Emperor

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
12.7mm
Lug Width
19mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
40m
Dial Color
Green
Jewels
31j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1991

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