Seiko Cal. 7031 - 142

The Seiko 7031-142 represents an important milestone in Seiko's 1975 lineup. Powered by the 7031 caliber with 25j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-91562d0e77fe]

Also known as: Samurai, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1975

Related Models

• Seiko 6190-387
• Seiko 7080-396
• Seiko 3843-997
• Seiko 7145-227
• Seiko 0724-785
• Seiko 4414-385
• Seiko 7067-592
• Seiko 4551-991
• Seiko 7054-695
• Seiko 7094-683
• Seiko 4494-590
• Seiko 6136-852