Seiko Cal. 6630 - 516

The 6630-516 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6630 caliber with 34j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-d90af00f8208]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Cream

Jewels

34j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1987

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