Features:• 95mm PowerDamp (back read) dial• Fluid expansion chamber for temperature fluctuations• Internal gimbals allow up to 45º fore and aft pivot and up to 90º heel• Also available in zone 1 to suit North America, Europe and Asia (on request)• Sapphire jewel and hardened steel pivot movement• 12 volt green lighting• Movable sun shield • Adjustable compensators • Optional cover• 45º lubber lines• Five year warranty