Seiko Cal. 6650 - 331

This Hand-Winding model from 1989 features a 43mm Gold-Plated case. Powered by the 6650 caliber with 29j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-92f0604e7203]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Champagne

Jewels

29j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1989

Related Models

• Seiko 6395-477
• Seiko 6694-728
• Seiko 4569-700
• Seiko 6385-568
• Seiko 7153-889
• Seiko 5637-179
• Seiko 4594-360
• Seiko 7026-859
• Seiko 4542-753
• Seiko 7195-993
• Seiko 0787-838
• Seiko 3840-160