Olma Chronographe “Sea Cup”

European Watch Clock and Jewellery Fair 1991 BF 314
The “Sea Cup” chronograph is a study in elegant ruggedness. Its two-tone case, water-resistant to 50 m, features a sapphire crystal and a turning bezel to monitor diving times. It is notable for the nautical shackle used decoratively here. Ronda 726, 12-line movement, with two totalizers, 30-minute and 12-hour, plus a date calendar subdial at 6 o’clock. Choice of case styles : stainless steel, two-tone goldplate, blue titanium nitride (PVD) with 10-micron goldplate trim. Genuine sharkskin strap or else steel, goldplated or blue PVD metal bracelet. The diving watch has the same characteristics. with some exceptions : water-resistant down to 200 m, 7 3/4“ETA quartz movement, no chronographic mecanism but a calendar at 6 o’clock. (OLMA”Sea Cup" Chronograph)