Seiko Cal. 6221 - 620

The Seiko 6221-620 represents an important milestone in Seiko's 1976 lineup. Powered by the 6221 caliber with 31j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-4004f02f6f2d]

Also known as: Monster, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1976

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