Helbros Steel Art Deco Chronograph with Original Patinated Dial, circa 1940s For Sale at 1stDibs | helbros chronograph, helbros ladies watch 1940's, helbros watch company
Vintage Helbros Self-Winding 21 Jewels Day Date Men's Watch (355) | eBay
Helbros watch – Second Chance Thrift Store - Bridge
Helbros 'Invincible' Incabloc in Crab-lug Case and Original Box , Manu – Vintage Watch Restoration
Helbros 21 Invincible New York USA Watch for Parts & Repair – Vintage Radar
File:Vintage Helbros Automatic (Self-Winding Watch), Made in West Germany (9724577714).jpg - Wikimedia Commons
VIntage helbros invincible mens watch condition unknown | eBay