Seiko Cal. 7138 - 398

This Solar model from 1968 features a 35mm Stainless Steel case. Powered by the 7138 caliber with 24j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-458b28f2a018]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Silver

Jewels

24j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1968

Related Models

• Seiko 3864-969
• Seiko 6654-529
• Seiko 5226-947
• Seiko 7180-421
• Seiko 5217-461
• Seiko 6173-336
• Seiko 5219-671
• Seiko 7044-200
• Seiko 5681-720
• Seiko 6129-965
• Seiko 4543-463
• Seiko 6319-607