Seiko Cal. 6633 - 263

The 6633-263 is a sought-after Solar piece from Seiko's golden era. Powered by the 6633 caliber with 22j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-cd12fd1d3351]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Burgundy

Jewels

22j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1965

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