Screw back case. Leather strap with silver buckle.
Manual wind movement. 17 jewels (caliber 28-10). Power reserve 46 hours.
Fine condition. Work well. Some use and age signs.
Measures: 3,8 cm long, 3,2 cm diameter, without crown, and 0,6 cm thickness.
Weight: 40 grams.
Antique and vintage wristwatches. Swiss men's wristwatches.
Manual wind watches. Certina Bristol 230 wristwatches.