The ICE-SAR Arctic 1003.ICE has a 46 mm CARBONOX ™ housing. CARBONOX ™ is an extremely robust and durable carbon-based material, much lighter than steel, hypoallergenic and extremely resistant. The sandblasted dial of the ICE-SAR Arctic model is reminiscent of the lava fields that cover 30% of Iceland. This model has a dark blue dial and comes with a dark blue rubber strap. The bright watch is perfect for your next adventure.