Seiko Cal. 5666 - 220

The Seiko 5666-220 represents an important milestone in Seiko's 1971 lineup. Powered by the 5666 caliber with 33j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-64d1625b00cf]

Also known as: Monster

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1971

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