Seiko Cal. 6650 - 991

The Seiko 6650-991 represents an important milestone in Seiko's 1998 lineup. With its 18mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-2d229c870e84]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

33j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1998

Related Models

• Seiko 6112-233
• Seiko 7153-229
• Seiko 3868-661
• Seiko 6251-130
• Seiko 7120-382
• Seiko 6118-596
• Seiko 4588-582
• Seiko 5294-686
• Seiko 6152-684
• Seiko 4424-134
• Seiko 0772-137
• Seiko 5683-880