Seiko Cal. 6628 - 552

The 6628-552 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-7b8cdd23888b]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1965

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