Seiko Cal. 6628 - 305

The 6628-305 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6628 caliber with 30j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-f20a9e40e4fd]

Also known as: Shogun, Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

46mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Champagne

Jewels

30j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1971

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