Seiko Cal. 6660 - 820

Seiko 6660-820

The 6660-820 is a sought-after Kinetic piece from Seiko's golden era. It features a Burgundy dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-68562d5191fa]

Also known as: World Timer, Sea Horse

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
11.2mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Burgundy
Jewels
28j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1985

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