Seiko Cal. 5666 - 159

Seiko 5666-159

The 5666-159 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5666 caliber with 21j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-c05ae5bfb2a6]

Also known as: Bullhead, Silverwave

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
15.0mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
60m
Dial Color
Silver
Jewels
21j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1970

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