Seiko Cal. 7161 - 931

Seiko 7161-931

The 7161-931 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7161 caliber with 30j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-8bf12445d994]

Also known as: Shogun

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
35mm
Case Thickness
15.5mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Blue Sunburst
Jewels
30j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1981

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seikata-wm-8bf12445d994