Seiko Cal. 6631 - 803

The 6631-803 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6631 caliber with 19j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-f31fa2dc8a48]

Also known as: Pogue, Rally

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Navy

Jewels

19j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1998

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