Seiko Cal. 0721 - 432

Released in 1975, the Cal. 0721 with design code 432 was part of Seiko's domestic market collection. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-1d8bfdd540dd]

Also known as: Shogun, Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1975

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