Seiko Cal. 6691 - 666

This Hand-Winding model from 1997 features a 40mm Hardlex-Coated Steel case. With its 22mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-9858ac7ecd3a]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1997

Related Models

• Seiko 6133-883
• Seiko 5218-744
• Seiko 3859-968
• Seiko 6284-114
• Seiko 4461-505
• Seiko 4565-886
• Seiko 3882-496
• Seiko 3843-631
• Seiko 3864-585
• Seiko 7069-152
• Seiko 7122-528
• Seiko 4587-628