Seiko Cal. 0721 - 224

The Seiko 0721-224 represents an important milestone in Seiko's 1968 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-c4dfb3d923e9]

Also known as: Rally

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1968

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