Seiko Cal. 7112 - 231

The Seiko 7112-231 represents an important milestone in Seiko's 1969 lineup. Powered by the 7112 caliber with 22j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-27d3ba32537f]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

22j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1969

Related Models

• Seiko 3869-978
• Seiko 7180-669
• Seiko 5213-496
• Seiko 4599-613
• Seiko 7033-475
• Seiko 6314-606
• Seiko 5678-145
• Seiko 6619-305
• Seiko 5240-972
• Seiko 4441-339
• Seiko 4445-792
• Seiko 5639-150