Seiko Cal. 7020 - 391

The 7020-391 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7020 caliber with 27j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-9b7029751c8a]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1985

Related Models

• Seiko 7167-275
• Seiko 0777-423
• Seiko 3832-278
• Seiko 7094-133
• Seiko 4590-842
• Seiko 6190-243
• Seiko 7079-593
• Seiko 7142-471
• Seiko 0750-625
• Seiko 7052-642
• Seiko 4586-740
• Seiko 5260-360