Seiko Cal. 6632 - 766

The Seiko 6632-766 represents an important milestone in Seiko's 1979 lineup. With its 22mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-3e34fd9be194]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1979

Related Models

• Seiko 6634-888
• Seiko 6327-918
• Seiko 4567-980
• Seiko 4462-956
• Seiko 4527-685
• Seiko 0726-844
• Seiko 0765-562
• Seiko 3849-627
• Seiko 4454-523
• Seiko 6273-523
• Seiko 7019-187
• Seiko 7069-613