Seiko Cal. 6650 - 538

The Seiko 6650-538 represents an important milestone in Seiko's 1998 lineup. Powered by the 6650 caliber with 18j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-5fd69a032677]

Also known as: Emperor, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1998

Related Models

• Seiko 7058-797
• Seiko 6692-904
• Seiko 6267-581
• Seiko 0799-883
• Seiko 5680-387
• Seiko 6612-989
• Seiko 4595-729
• Seiko 6195-368
• Seiko 6399-414
• Seiko 0775-320
• Seiko 5272-515
• Seiko 0743-702