Seiko Cal. 7021 - 227

This Spring Drive model from 1988 features a 41mm Stainless Steel case. Powered by the 7021 caliber with 22j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-f62bed492f12]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Cream

Jewels

22j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1988

Related Models

• Seiko 4440-778
• Seiko 5678-150
• Seiko 6693-455
• Seiko 4556-868
• Seiko 4468-800
• Seiko 6211-383
• Seiko 4420-538
• Seiko 6138-435
• Seiko 6324-231
• Seiko 5217-145
• Seiko 5258-264
• Seiko 6129-211