Seiko Cal. 4540 - 973

Released in 1972, the Cal. 4540 with design code 973 was part of Seiko's domestic market collection. With its 20mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-6455ce5db0c3]

Also known as: Pogue

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1972

Related Models

• Seiko 6196-894
• Seiko 5263-753
• Seiko 6335-155
• Seiko 3840-680
• Seiko 6177-976
• Seiko 4467-542
• Seiko 5619-136
• Seiko 6288-287
• Seiko 6325-163
• Seiko 3878-681
• Seiko 6322-296
• Seiko 3873-971