Seiko Cal. 6631 - 665

This Kinetic model from 1999 features a 46mm PVD Black case. Powered by the 6631 caliber with 26j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-a64adaac3d42]

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1999

Related Models

• Seiko 6645-166
• Seiko 7123-570
• Seiko 7157-146
• Seiko 6165-819
• Seiko 6334-944
• Seiko 4515-379
• Seiko 3830-466
• Seiko 6210-799
• Seiko 6288-728
• Seiko 4574-922
• Seiko 6345-351
• Seiko 7030-562