Seiko Cal. 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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