Seiko Cal. 7131 - 796

This Automatic model from 1966 features a 46mm Two-Tone case. Powered by the 7131 caliber with 28j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-2e5aff7c2af9]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

White

Jewels

28j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1966

Related Models

• Seiko 3878-190
• Seiko 6231-234
• Seiko 6129-446
• Seiko 7091-946
• Seiko 5632-695
• Seiko 6279-571
• Seiko 5264-944
• Seiko 4469-575
• Seiko 4550-288
• Seiko 6164-542
• Seiko 6645-950
• Seiko 6663-187