Seiko Cal. 7166 - 233

Seiko 7166-233

The 7166-233 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7166 caliber with 29j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-3851c9194e6d]

Also known as: Sumo

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
13.6mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
White
Jewels
29j
Frequency
28,800 bph
Power Reserve
43 hours
Year
1979

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