Seiko Cal. 6628 - 710

The 6628-710 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6628 caliber with 19j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-f5caada2ca41]

Also known as: Bullhead, Silverwave

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1988

Related Models

• Seiko 4496-677
• Seiko 6210-204
• Seiko 6692-125
• Seiko 6223-897
• Seiko 6650-677
• Seiko 5656-779
• Seiko 4565-107
• Seiko 4534-440
• Seiko 6359-360
• Seiko 5637-157
• Seiko 6185-944
• Seiko 6669-790