Japan Special Glass Crystal Waterproof Mini D&E Ring for Watch Crown Seal GasketJapanese special handle waterproof ring set 10 for each type, 150 for each box

Features: Super luminous

Also features a gauge to measure the length of watch hands

Thickness: 20 mm

Bergeon 1997 DI 1012- Movement Holder With Adjustable Hollow Center Screw 10-1/2 Ligne

l Waterproof: 30m

Total Movement Height: 6

sweep second

Slot model: 1

Outside Diameter: 13 1/2 Ligne

The Bergeon 31081-EX-7750 has an adapted blade to work specifically with the Valjoux ETA 7750 eccentric screw

Swiss quality levers are extra wide (9mm) to  allow you to remove watch hands with ease

dedicated to open the watch