The bracelet is stylistically appropriate but not original. The watch runs normally.
Vintage Titus Calypsomatic 7085 RARE Brown Dial Big Crown Model Caliber ETA 2472
Handmade in Switzerland in the 1960s, this watch includes a red/blue date indicator, 12-hour dial. The logo and “Titus” on the dial is clearly smaller. The case has “7085” engraved on the case between the lugs at the 12 o’clock position.