Seiko Cal. 6628 - 171

The 6628-171 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6628 caliber with 28j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-cb18a89ff64b]

Also known as: Tuna, Sea Horse

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

28j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1976

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