Seiko Cal. 6628 - 874

Released in 1971, the Cal. 6628 with design code 874 was part of Seiko's domestic market collection. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-f9cc9162dfc4]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1971

Related Models

• Seiko 6269-993
• Seiko 3869-194
• Seiko 3894-782
• Seiko 4563-477
• Seiko 7034-296
• Seiko 5633-380
• Seiko 5258-985
• Seiko 6632-596
• Seiko 7043-647
• Seiko 6652-819
• Seiko 6291-370
• Seiko 7161-799