Optivisor DA5 - 2.5X Rl 1238-21 315-5513-1 Generic (not original) Bezel

315-5513-1 Generic (not original) Bezel Insert to fit Rolex® Case number 1665/0

part number 14027

Hamilton mainspring number 718141

Omega® Steel Quartz Crown (crown is supplied with stem and gasket mounted)

Longines® Regular Crown CN-LONG03 diameter 3

Optivisor DA5 - 2.5X Rl 1238-21 315-5513-1 Generic (not original) BezelOptivisor DA5 2 1 2X features a working distance of 8" and has a magnification of 2 1 2X. Optivisor is our best selling, most requested, brand of headband magnifiers. It features a dial adjustment headband to fit any head size. Well made magnifier is lightweight and durable, and fits over eyeglasses. Adjustable pivot assembly on visor can be set to desired tension, so it will stay in place when tilted.