Seiko Cal. 6630 - 835

The 6630-835 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6630 caliber with 30j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-aae04836f41e]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Champagne

Jewels

30j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1987

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