Seiko Cal. 6166 - 420

Seiko 6166-420

The 6166-420 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6166 caliber with 25j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-07964b19fbb2]

Also known as: Bullhead

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
10.4mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Burgundy
Jewels
25j
Frequency
36,000 bph
Power Reserve
72 hours
Year
1973

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