Round Swiss Crystal Glass Magnifier Calendar Lens for Watch Date Window 2 SizesRound Swiss Crystal Glass Magnifier Calendar Lens for Watch Date Window 2 Sizes 2 types different sizes for you to choose. Optional size reference: General square calendar window choose square calendar crystal, round calendar window choose round calendar crystal, or choose according to your own preferences. The choice of general glass diameter above 28mm [square 7. 0x5. 5mm large]; Glass diameter 21 28mm selection [square 5. 5x4. 5mm small size]

001 ETA2000-1movement The watch needle belongs to vulnerable parts

Adjustable jaw distance to fit any watch

HL-C-2s : Red / White

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

20 x 65 x 110

height:3px

Bergeon 7718-1A automatic precision oiler No

Waterproof Depth: 5ATM

China Made 7750 Black Single Calendar Mechanical Movement Small Second@3@6@9

Dial Material: Sapphire Glass

Diameter:36

Storage Box Size: Approx