WRB AUTOMATIC BLACK FIRST EDITION Automatic Watch Limited edition 100 pieces WRB 1101 The WRB is the most versatile of the RALF TECH diver’s models. Less imposing than its cousin the WRV it retains its spirit, the main characteristics and functions. Its diameter of 39mm will suit all wrists. This version can be recognized by its matte black finish. Series WRB Model WRB Automatic Black "First Edition" Model Series Automatic Watch Production Limited edition 100 pieces Case Material Surgical steel 316L with black PVD coating Finish Sandblasted matt Diameter 39 mm Movement Mechanical automatic winding TypeRTA003 Power reserve Up to 40 hours Dial Matt black 95% Hands 316L steel with 2N18 gold plated coating Indices Old radium SuperLuminova Crown Screwed down Crystal Sapphire, curved, anti-reflective coating, 2.5 mm thick Bezel Rotating, unidirectional, 120 clicks (ISO 6425 standard) Bezel insert Black anodized aluminium with triangle pointer and SuperLuminova Old Radium insert Case Back Screwed-on, with serial number engraving Water-resistance 200 M / 660 FT / 20ATM Strap Black silicone 2nd strap Zulu black Lug 22 mm Buckle Pin 20 mm Watch Case Polycarbonate Explorer Case Manufactured Made in France