Seiko Cal. 0721 - 511

The 0721-511 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-7ecac070529f]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1976

Related Models

• Seiko 7094-195
• Seiko 4466-710
• Seiko 7038-438
• Seiko 5647-298
• Seiko 0760-327
• Seiko 5626-519
• Seiko 6622-753
• Seiko 7029-788
• Seiko 5274-598
• Seiko 6346-687
• Seiko 5619-702
• Seiko 6333-643