Seiko Cal. 7131 - 238

The Seiko 7131-238 represents an important milestone in Seiko's 1971 lineup. Powered by the 7131 caliber with 26j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-53c4749a9567]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1971

Related Models

• Seiko 6164-992
• Seiko 4485-853
• Seiko 6359-561
• Seiko 7012-306
• Seiko 6275-336
• Seiko 5624-660
• Seiko 0711-323
• Seiko 6636-561
• Seiko 6259-689
• Seiko 6292-876
• Seiko 6693-802
• Seiko 6354-762