Seiko Cal. 7020 - 504

The Seiko 7020-504 represents an important milestone in Seiko's 1989 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-5860e770154e]

Also known as: Tuna, Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1989

Related Models

• Seiko 6166-834
• Seiko 3842-544
• Seiko 7160-888
• Seiko 7196-898
• Seiko 7175-440
• Seiko 6395-418
• Seiko 3899-491
• Seiko 4563-367
• Seiko 6126-117
• Seiko 6296-782
• Seiko 5228-536
• Seiko 6699-239