Seiko Cal. 6643 - 196

Seiko 6643-196

The 6643-196 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6643 caliber with 21j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-0d11a980b6bc]

Also known as: UFO

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
39mm
Case Thickness
8.9mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Cream
Jewels
21j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1975

Related Models

seikata-wm-0d11a980b6bc