Seiko Cal. 6660 - 712

Seiko 6660-712

The 6660-712 is a sought-after Solar piece from Seiko's golden era. Powered by the 6660 caliber with 28j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-6020d2512f35]

Also known as: World Timer, Arnie

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
34mm
Case Thickness
10.0mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Silver
Jewels
28j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1998

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seikata-wm-6020d2512f35