Seiko Cal. 7131 - 133

The Seiko 7131-133 represents an important milestone in Seiko's 1989 lineup. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-bb96ce5b55bc]

Also known as: Sumo, Pogue

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1989

Related Models

• Seiko 6611-899
• Seiko 4579-172
• Seiko 6110-848
• Seiko 7169-102
• Seiko 6687-190
• Seiko 3810-520
• Seiko 0773-651
• Seiko 6275-333
• Seiko 5614-433
• Seiko 6285-985
• Seiko 5254-350
• Seiko 5235-274