Seiko Cal. 7115 - 647

Seiko 7115-647

The 7115-647 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7115 caliber with 20j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-f8a46a60386c]

Also known as: Sumo, Bullhead

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
39mm
Case Thickness
10.3mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
30m
Dial Color
White
Jewels
20j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1983

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seikata-wm-f8a46a60386c