Seiko Cal. 6616 - 686

Seiko 6616-686

The 6616-686 is a sought-after Kinetic piece from Seiko's golden era. With its 20mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-be08e6759db4]

Also known as: Bullhead, Helmet

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
38mm
Case Thickness
11.9mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Cream
Jewels
25j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1968

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