Seiko Cal. 6221 - 664

The Seiko 6221-664 represents an important milestone in Seiko's 1982 lineup. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-5d96ae3096df]

Also known as: Sumo, Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

26j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1982

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