Seiko Cal. 6660 - 739

Seiko 6660-739

The 6660-739 is a sought-after Kinetic piece from Seiko's golden era. With its 20mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-aad5fd214079]

Also known as: Turtle

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
37mm
Case Thickness
13.8mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
100m
Dial Color
Silver
Jewels
36j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1975

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seikata-wm-aad5fd214079