Seiko Cal. 6628 - 511

The 6628-511 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6628 caliber with 20j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-efa0e1a4de0d]

Also known as: Shogun, Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1998

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