Seiko Cal. 0721 - 724

Released in 1965, the Cal. 0721 with design code 724 was part of Seiko's domestic market collection. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-b0af4209cd0d]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1965

Related Models

• Seiko 3822-854
• Seiko 5298-709
• Seiko 3885-664
• Seiko 7048-397
• Seiko 3897-427
• Seiko 7080-269
• Seiko 5652-916
• Seiko 6181-120
• Seiko 3840-974
• Seiko 7033-765
• Seiko 4564-444
• Seiko 4450-667