SEAC SUB WRIST COMPASS FOR DIVING 0600013000000A

34CRM04 Chromium-Molybdenum Alloy Steel. Manufacturing cycle from plate ¦ Valves: single connection and double connection, chrome-plated satin-finished brass with DIN-INT connector with M25X2 thread pitch ¦ External treatment: sand-blasting with fine grit, one 90-Micron protective zinc layer, 5 base layers of dual-component epoxy, 3 polyurethane finish layers, paint treated with ‚Äúwet on wet‚Äù system, black and white segmenting on top in accordance with EC regulations.