Seiko Cal. 6131 - 722

The Seiko 6131-722 represents an important milestone in Seiko's 1991 lineup. With its 19mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-15fd926d8966]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1991

Related Models

• Seiko 6114-709
• Seiko 0776-949
• Seiko 4545-488
• Seiko 5673-398
• Seiko 4439-350
• Seiko 6146-154
• Seiko 6234-987
• Seiko 4591-338
• Seiko 5219-261
• Seiko 4526-289
• Seiko 5249-784
• Seiko 3839-440