Seiko Cal. 7021 - 297

This Spring Drive model from 1976 features a 43mm Hardlex-Coated Steel case. Powered by the 7021 caliber with 28j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-c43d3634aef1]

Also known as: Helmet, Rally

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1976

Related Models

• Seiko 0760-454
• Seiko 5262-793
• Seiko 3832-875
• Seiko 5636-405
• Seiko 6191-920
• Seiko 6616-963
• Seiko 6169-731
• Seiko 6394-634
• Seiko 6184-327
• Seiko 5656-714
• Seiko 7148-715
• Seiko 6298-526