Which White Dial Omega?

#Omega #White dial

310.30.42.50.04.001
42.1mm case
13.3mm thick
47.4mm lug to lug
20mm lug width
Cal. 3861 w/ 50 hours power reserve
50m water resistance
140.1 grams


210.30.42.20.04.001
42mm case
13.8mm thick
49.5mm lug to lug
20mm lug width
300M water resistance
Cal. 8800 w/ 55 hours power reserve
194.9 grams