Seiko Cal. 7170 - 684

Seiko 7170-684

The 7170-684 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7170 caliber with 17j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-3367455c4790]

Also known as: Sumo, Shogun

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
34mm
Case Thickness
10.9mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
190m
Dial Color
Black
Jewels
17j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1975

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seikata-wm-3367455c4790