OMEGA MARINE STEEL
Omega, case No. 8865980. Made in the 1930's.
Fine and unusual, rectangular, water-resistant, stainless steel Staybrite wristwatch with a
special slide-out feature to secure the case to be water-resistant (Swiss Pat. No. 146310).
Three-body, polished and brushed, bezel with horizontal bars, on the case back, a
mobile hook to lock the inner and outer case parts together, flat top crystal.
Matte silver with black painted Arabic numerals, outer minute track. Blued steel
Cal. 19.4, rhodium-plated, 15 jewels, straight line lever escapement, monometallic
balance, flat balance spring.