Seiko Cal. 7023 - 545

The Seiko 7023-545 represents an important milestone in Seiko's 1982 lineup. With its 20mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-e160dbdf7a36]

Also known as: Tuna, Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1982

Related Models

• Seiko 4536-648
• Seiko 4566-903
• Seiko 4540-936
• Seiko 3819-694
• Seiko 5224-998
• Seiko 4452-567
• Seiko 5293-389
• Seiko 5245-987
• Seiko 0745-304
• Seiko 7088-751
• Seiko 7095-381
• Seiko 7099-657