Seiko Cal. 6139 - 681

The 6139-681 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6139 caliber with 36j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-5e368bfce546]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1971

Related Models

• Seiko 4576-234
• Seiko 7049-625
• Seiko 0719-185
• Seiko 4511-978
• Seiko 7038-861
• Seiko 4433-343
• Seiko 5620-596
• Seiko 6167-519
• Seiko 6659-767
• Seiko 6384-230
• Seiko 7189-253
• Seiko 4480-171