Energia watches have 30 atm waterresistant and 48mm in diameter case with NH34 automatic movement inside and set of the following unique features:

• Helium release valve. It is integrated in the watch case spring-loaded one-way valve activated when the difference between the inner and the outside pressure reaches a critical level. This function is useful for commercial divers operating at great depths using diving bells with breathing gas mix inside.
• An enhanced hardened 3.5 mm thick mineral K1 crystal
• Exhibition case back
• Screw-in crown
• 18 Swiss-made tritium tubes: 13 pcs. in indexes-reflectors on the dial, 4pcs. on 3 hands and one in sapphire capsule in bezel.
  
• Whole watch set is packed to the original XL-size dry box . The dry box can be easily transformed to Collector’s Box with cells for storage of 4 watches, 4 additional straps and one screw driver

Movement: SII NH34 Automatic
Dimensions: Ø48mm x 17,3mm