Seiko Cal. 6676 - 428

The Seiko 6676-428 represents an important milestone in Seiko's 1970 lineup. With its 20mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-d666f2858e16]

Also known as: Bullhead, Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

29j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1970

Related Models

• Seiko 4412-906
• Seiko 5276-492
• Seiko 0741-687
• Seiko 6114-640
• Seiko 7097-214
• Seiko 6160-685
• Seiko 3874-822
• Seiko 5624-344
• Seiko 6116-668
• Seiko 4561-339
• Seiko 0717-411
• Seiko 6364-390