Seiko Cal. 6661 - 646

Seiko 6661-646

The 6661-646 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6661 caliber with 19j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-3d70d203b45b]

Also known as: Shogun, UFO

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
45mm
Case Thickness
14.9mm
Lug Width
18mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
150m
Dial Color
Navy
Jewels
19j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1982

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