Seiko Cal. 6138 - 721

This Kinetic model from 1981 features a 42mm PVD Black case. Powered by the 6138 caliber with 31j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-4e8fdfa625a5]

Also known as: Bellmatic, Navigator

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1981

Related Models

• Seiko 4581-466
• Seiko 5273-981
• Seiko 4433-842
• Seiko 3894-958
• Seiko 6633-289
• Seiko 6271-431
• Seiko 6677-754
• Seiko 6384-914
• Seiko 0774-289
• Seiko 5636-591
• Seiko 6223-449
• Seiko 6125-583