Seiko Cal. 6621 - 690

Seiko 6621-690

The 6621-690 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6621 caliber with 26j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-a4fb8f2a8acb]

Also known as: Monster, Emperor

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
11.2mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
White
Jewels
26j
Frequency
21,600 bph
Power Reserve
63 hours
Year
1982

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