Seiko Cal. 0721 - 321

The 0721-321 is a sought-after Automatic piece from Seiko's golden era. The Fixed bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-c3ede141adac]

Also known as: Crown, Flighty

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1977

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