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Cat 1

Precision at the Core: Category 1 Watch Jewel Holes

In the world of horology, the difference between a movement that lasts a lifetime and one that falters is measured in microns. Our Category 1 Watch Jewel Holes represent the pinnacle of friction reduction, designed specifically for the most delicate pivots in high-end watchmaking.

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displaying: 45 results

Ø0.10mm x Ø1.00mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-10.100

Ø0.10mm x Ø1.00mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-10.100

SKU: MJ11-10.100
£15.45
more info
Ø0.10mm x Ø1.10mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-10.110

Ø0.10mm x Ø1.10mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-10.110

SKU: MJ11-10.110
£15.45
more info
Ø0.10mm x Ø1.20mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-10.120

Ø0.10mm x Ø1.20mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-10.120

SKU: MJ11-10.120
£15.45
more info
Ø0.10mm x Ø1.30mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-10.130

Ø0.10mm x Ø1.30mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-10.130

SKU: MJ11-10.130
£15.45
more info
Ø0.10mm x Ø1.40mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-10.140

Ø0.10mm x Ø1.40mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-10.140

SKU: MJ11-10.140
£15.45
more info
Ø0.10mm x Ø0.70mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-10.70

Ø0.10mm x Ø0.70mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-10.70

SKU: MJ11-10.70
£15.45
more info
Ø0.10mm x Ø0.80mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-10.80

Ø0.10mm x Ø0.80mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-10.80

SKU: MJ11-10.80
£15.45
more info
Ø0.11mm x Ø1.00mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-11.100

Ø0.11mm x Ø1.00mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-11.100

SKU: MJ11-11.100
£15.45
more info
Ø0.11mm x Ø1.10mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-11.110

Ø0.11mm x Ø1.10mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-11.110

SKU: MJ11-11.110
£15.45
more info
Ø0.11mm x Ø0.80mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-11.80

Ø0.11mm x Ø0.80mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-11.80

SKU: MJ11-11.80
£15.45
more info
Ø0.11mm x Ø0.90mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-11.90

Ø0.11mm x Ø0.90mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-11.90

SKU: MJ11-11.90
£15.45
more info
Ø0.12mm x Ø1.00mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-12.100

Ø0.12mm x Ø1.00mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-12.100

SKU: MJ11-12.100
£15.45
more info
Ø0.12mm x Ø1.10mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-12.110

Ø0.12mm x Ø1.10mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-12.110

SKU: MJ11-12.110
£15.45
more info
Ø0.12mm x Ø1.20mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-12.120

Ø0.12mm x Ø1.20mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-12.120

SKU: MJ11-12.120
£15.45
more info
Ø0.12mm x Ø1.30mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-12.130

Ø0.12mm x Ø1.30mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-12.130

SKU: MJ11-12.130
£15.45
more info
Ø0.12mm x Ø0.80mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-12.80

Ø0.12mm x Ø0.80mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-12.80

SKU: MJ11-12.80
£15.45
more info
Ø0.12mm x Ø0.90mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-12.90

Ø0.12mm x Ø0.90mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-12.90

SKU: MJ11-12.90
£15.45
more info
Ø0.13mm x Ø1.00mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-13.100

Ø0.13mm x Ø1.00mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-13.100

SKU: MJ11-13.100
£15.45
more info
Ø0.13mm x Ø1.10mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-13.110

Ø0.13mm x Ø1.10mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-13.110

SKU: MJ11-13.110
£15.45
more info
Ø0.13mm x Ø1.20mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-13.120

Ø0.13mm x Ø1.20mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-13.120

SKU: MJ11-13.120
£15.45
more info
Ø0.13mm x Ø1.30mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-13.130

Ø0.13mm x Ø1.30mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-13.130

SKU: MJ11-13.130
£15.45
more info
Ø0.13mm x Ø0.80mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-13.80

Ø0.13mm x Ø0.80mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-13.80

SKU: MJ11-13.80
£15.45
more info
Ø0.13mm x Ø0.90mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-13.90

Ø0.13mm x Ø0.90mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-13.90

SKU: MJ11-13.90
£15.45
more info
Ø0.14mm x Ø1.10mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-14.110

Ø0.14mm x Ø1.10mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-14.110

SKU: MJ11-14.110
£15.45
more info
Ø0.15mm x Ø1.10mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-15.110

Ø0.15mm x Ø1.10mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-15.110

SKU: MJ11-15.110
£15.45
more info
Ø0.07mm x Ø0.90mm Bergeon 30711 Seitz Flat Olive Jewel Hole - MJ11-7.90

Ø0.07mm x Ø0.90mm Bergeon 30711 Seitz Flat Olive Jewel Hole - MJ11-7.90

SKU: MJ11-7.90
£15.45
more info
Ø0.08mm x Ø1.00mm Bergeon 30711 Seitz Flat Olive Jewel Hole - MJ11-8.100

Ø0.08mm x Ø1.00mm Bergeon 30711 Seitz Flat Olive Jewel Hole - MJ11-8.100

SKU: MJ11-8.100
£15.45
more info
Ø0.08mm x Ø1.10mm Bergeon 30711 Seitz Flat Olive Jewel Hole - MJ11-8.110

Ø0.08mm x Ø1.10mm Bergeon 30711 Seitz Flat Olive Jewel Hole - MJ11-8.110

SKU: MJ11-8.110
£15.45
more info
Ø0.08mm x Ø1.20mm Bergeon 30711 Seitz Flat Olive Jewel Hole - MJ11-8.120

Ø0.08mm x Ø1.20mm Bergeon 30711 Seitz Flat Olive Jewel Hole - MJ11-8.120

SKU: MJ11-8.120
£15.45
more info
Ø0.08mm x Ø1.30mm Bergeon 30711 Seitz Flat Olive Jewel Hole - MJ11-8.130

Ø0.08mm x Ø1.30mm Bergeon 30711 Seitz Flat Olive Jewel Hole - MJ11-8.130

SKU: MJ11-8.130
£15.45
more info
Ø0.08mm x Ø1.40mm Bergeon 30711 Seitz Flat Olive Jewel Hole - MJ11-8.140

Ø0.08mm x Ø1.40mm Bergeon 30711 Seitz Flat Olive Jewel Hole - MJ11-8.140

SKU: MJ11-8.140
£15.45
more info
Ø0.08mm x Ø1.50mm Bergeon 30711 Seitz Flat Olive Jewel Hole - MJ11-8.150

Ø0.08mm x Ø1.50mm Bergeon 30711 Seitz Flat Olive Jewel Hole - MJ11-8.150

SKU: MJ11-8.150
£15.45
more info
Ø0.08mm x Ø0.70mm Bergeon 30711 Seitz Flat Olive Jewel Hole - MJ11-8.70

Ø0.08mm x Ø0.70mm Bergeon 30711 Seitz Flat Olive Jewel Hole - MJ11-8.70

SKU: MJ11-8.70
£15.45
more info
Ø0.08mm x Ø0.80mm Bergeon 30711 Seitz Flat Olive Jewel Hole - MJ11-8.80

Ø0.08mm x Ø0.80mm Bergeon 30711 Seitz Flat Olive Jewel Hole - MJ11-8.80

SKU: MJ11-8.80
£15.45
more info
Ø0.08mm x Ø0.90mm Bergeon 30711 Seitz Flat Olive Jewel Hole - MJ11-8.90

Ø0.08mm x Ø0.90mm Bergeon 30711 Seitz Flat Olive Jewel Hole - MJ11-8.90

SKU: MJ11-8.90
£15.45
more info
Ø0.09mm x Ø1.00mm Bergeon 30711 Seitz Flat Olive Jewel Hole - MJ11-9.100

Ø0.09mm x Ø1.00mm Bergeon 30711 Seitz Flat Olive Jewel Hole - MJ11-9.100

SKU: MJ11-9.100
£15.45
more info
Ø0.09mm x Ø1.10mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-9.110

Ø0.09mm x Ø1.10mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-9.110

SKU: MJ11-9.110
£15.45
more info
Ø0.09mm x Ø1.20mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-9.120

Ø0.09mm x Ø1.20mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-9.120

SKU: MJ11-9.120
£15.45
more info
Ø0.09mm x Ø1.30mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-9.130

Ø0.09mm x Ø1.30mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-9.130

SKU: MJ11-9.130
£15.45
more info
Ø0.09mm x Ø1.40mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-9.140

Ø0.09mm x Ø1.40mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-9.140

SKU: MJ11-9.140
£15.45
more info
Ø0.09mm x Ø1.50mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-9.150

Ø0.09mm x Ø1.50mm Bergeon 30710 Seitz Flat Olive Jewel Hole - MJ11-9.150

SKU: MJ11-9.150
£15.45
more info
Ø0.09mm x Ø0.60mm Bergeon 30711 Seitz Flat Olive Jewel Hole - MJ11-9.60

Ø0.09mm x Ø0.60mm Bergeon 30711 Seitz Flat Olive Jewel Hole - MJ11-9.60

SKU: MJ11-9.60
£15.45
more info
Ø0.09mm x Ø0.70mm Bergeon 30711 Seitz Flat Olive Jewel Hole - MJ11-9.70

Ø0.09mm x Ø0.70mm Bergeon 30711 Seitz Flat Olive Jewel Hole - MJ11-9.70

SKU: MJ11-9.70
£15.45
more info
Ø0.09mm x Ø0.80mm Bergeon 30711 Seitz Flat Olive Jewel Hole - MJ11-9.80

Ø0.09mm x Ø0.80mm Bergeon 30711 Seitz Flat Olive Jewel Hole - MJ11-9.80

SKU: MJ11-9.80
£15.45
more info
Ø0.09mm x Ø0.90mm Bergeon 30711 Seitz Flat Olive Jewel Hole - MJ11-9.90

Ø0.09mm x Ø0.90mm Bergeon 30711 Seitz Flat Olive Jewel Hole - MJ11-9.90

SKU: MJ11-9.90
£15.45
more info