Seiko Cal. 7021 - 666

Released in 1991, the Cal. 7021 with design code 666 was part of Seiko's domestic market collection. Powered by the 7021 caliber with 31j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-e7716e01d04c]

Also known as: Monster, Crown

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1991

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