Seiko Cal. 7131 - 536

Released in 1975, the Cal. 7131 with design code 536 was part of Seiko's domestic market collection. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-b9a18eab59bb]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1975

Related Models

• Seiko 4424-947
• Seiko 7143-178
• Seiko 3815-770
• Seiko 6267-183
• Seiko 7126-336
• Seiko 6265-465
• Seiko 7072-169
• Seiko 5278-723
• Seiko 5672-892
• Seiko 5254-267
• Seiko 6369-117
• Seiko 3823-927