• Seikosha Style Clock Key

Swiss Seikosha Style Key – #8

For 8-Day and 31-Day Clocks. Our catalog advertises these as a size 4.00mm (#7) but the last shipment came in at 4.25mm (#8). This is all we have for now until the next shipment. It may be a little loose on your shaft but may still work.

**QUANTITY DISCOUNTS ARE AVAILABLE FOR THIS ITEM. PLEASE SEE THE TABLE BELOW.**

 

Quantity Price
1 - 11 $2.00
12+ $1.75
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$2.00

SKU: KSS-31

For 8-Day and 31-Day Clocks. Our catalog advertises these as a size 4.00mm (#7) but the last shipment came in at 4.25mm (#8). This is all we have for now until the next shipment. It may be a little loose on your shaft but may still work.

 

Key Sizing Chart

Key No.American SizesSwiss SizesWatch Sizes
#000001.6mm1.25mm
#00001.8mm1.50mm
#0002.0mm1.75mm
#002.2mm2.00mm2.00mm
#02.4mm2.25mm1.90mm
#12.6mm2.50mm1.80mm
#22.8mm2.75mm1.75mm
#33.0mm3.00mm1.65mm
#43.2mm3.25mm1.60mm
#53.4mm3.50mm1.50mm
#63.6mm3.75mm1.40mm
#73.8mm4.00mm1.30mm
#84.0mm4.25mm1.20mm
#94.2mm4.50mm1.15mm
#104.4mm4.75mm1.05mm
#114.6mm5.00mm1.00mm
#124.8mm5.25mm.95mm
#135.0mm5.50mm
#145.2mm5.75mm
#155.4mm6.00mm
#165.6mm6.25mm
#175.8mm6.50mm
#186.0mm6.75mm
#196.2mm7.00mm
#206.4mm7.25mm
#216.6mm7.50mm
#226.8mm7.75mm
#237.0mm8.00mm
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