Seiko Cal. 5660 - 123

Seiko 5660-123

The 5660-123 is a sought-after Solar piece from Seiko's golden era. Powered by the 5660 caliber with 28j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-7d070461829d]

Also known as: Turtle, Navigator

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
41mm
Case Thickness
9.0mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Green
Jewels
28j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1970

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seikata-wm-7d070461829d