Seiko Cal. 0766 - 631

Seiko 0766-631

The 0766-631 is a sought-after Solar piece from Seiko's golden era. Powered by the 0766 caliber with 22j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-954327e65832]

Also known as: Sumo, Shogun

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
46mm
Case Thickness
14.7mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Blue Sunburst
Jewels
22j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1980

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seikata-wm-954327e65832