Omikron 21 Rubis – 1970s Swiss Made – Jumbo 37.5mm – Manual Wind Offered here is a beautiful and bold Omikron 21 Rubis from the 1970s, a classic example of Swiss mechanical watchmaking from the golden era of oversized cases. This model features a desirable jumbo steel case measuring 37.5 mm (without crown) x 46 mm lug-to-lug, giving it a strong wrist presence while maintaining vintage elegance. Technical Details Brand: Omikron Period: 1970s Movement: Swiss Made, Manual Wind Jewels: 21 Rubis Case Size: 37.5 mm (excluding crown) x 46 mm Case Material: Nicel plated Strap: New genuine leather strap No Box No Paper Please review all photos in detail and read all the explanations one by one. I do not want my customers to be disappointed by encountering an unexpected result. No water resistance test was performed. So we do not guarantee. Vintage watches may have timekeeping variations of approximately 1 minute +- depending on the environment and usage conditions. They will be checked with a high precision testing machine before being shipped to you. Delivery time is only a 5-7 days for Europe and approx. 7-10 days for other countries. The buyer is responsible for import VATs and taxes if it is necessary