Seiko Cal. 6663 - 786

Seiko 6663-786

The 6663-786 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6663 caliber with 35j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-49c635b1a2a1]

Also known as: Helmet, UFO

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
8.2mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
90m
Dial Color
Black
Jewels
35j
Frequency
36,000 bph
Power Reserve
45 hours
Year
1984

Related Models

seikata-wm-49c635b1a2a1