Seiko Cal. 6628 - 628

The Seiko 6628-628 represents an important milestone in Seiko's 1975 lineup. Powered by the 6628 caliber with 36j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-317e5300811c]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Burgundy

Jewels

36j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1975

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