Seiko Cal. 6628 - 423

The 6628-423 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-9316fe1be772]

Also known as: Samurai, Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1985

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