Seiko Cal. 7138 - 719

This Quartz model from 1977 features a 36mm Hardlex-Coated Steel case. Powered by the 7138 caliber with 24j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-831e2fcc481a]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1977

Related Models

• Seiko 6221-124
• Seiko 3835-187
• Seiko 7011-272
• Seiko 3855-935
• Seiko 6680-812
• Seiko 6173-912
• Seiko 6174-292
• Seiko 3868-411
• Seiko 5273-594
• Seiko 5245-333
• Seiko 6668-643
• Seiko 7058-215