Seiko Cal. 6640 - 191

This Hand-Winding model from 1990 features a 46mm Stainless Steel case. It features a Burgundy dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-4df1d0831014]

Also known as: Goldfeather, Flighty

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

29j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1990

Related Models

• Seiko 0798-875
• Seiko 6296-646
• Seiko 7026-579
• Seiko 7059-628
• Seiko 4445-820
• Seiko 5649-620
• Seiko 7171-530
• Seiko 0742-740
• Seiko 5642-765
• Seiko 6224-544
• Seiko 6367-813
• Seiko 6154-840