Seiko Cal. 7181 - 566

Seiko 7181-566

The 7181-566 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7181 caliber with 30j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-79e800d46683]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
13.4mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Silver
Jewels
30j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1966

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seikata-wm-79e800d46683