SENORS SN205 Day Date Automatic Watch Tourbillon Mens under $50
SENORS SN205 Case：High quality zinc-alloy Glass：Mineral crystal glass Movement： Automatic mechanical movement Band：Genuine Leather strap Waterproof：3 ATM Plate：IP Plate Case diameter：44mm Band width：22mm Case thickness：13.5mm length of band:260mm Watch the weight：90g
Automatic watches with a date function, the date is set by pulling the crown out to the first position. But first, you'll often want to pull the crown out to the second position to set the time and make sure you're nowhere close to midnight, when the date will change automatically.
SENORS SN205 is an impressive watch. In a watch with a date display, it's also what powers the date train. Most watches operate on a 12-hour dial, and so the hour wheel rotates once every 12 hours. This rotation then moves the date disc driving wheel round at double the ratio, to account for the 24 hours in a day.
The general rule for mechanical watches is that a deviation of 20 seconds or less per day is good.
Remove your watch before taking a shower.
SENORS SN205 day date watch not only costs a lot to develop the design of the movements and assemble them, but the materials used in the actual construction are also not cheap either.