At 109g on Squale's included strap, the Squale 50 Atmos Ocean Blasted 1521-026 wears perfectly on my 7-inch wrist. Its combination of curved lugs and light weight make for a very fuss-free wrist feel and, for my tastes, the proportions are perfect.
UTC is 24-hour time, which begins at 0:00 at midnight. 12:00 is noon, 13:00 is 1 p.m., 14:00 is 2 p.m. and so on until 23:59, which is 11:59 p.m. Time zones today are a certain number of hours or hours and minutes behind or ahead of UTC. UTC is also known as Zulu time in the world of aviation. When European Summer Time is not in effect, UTC matches the time zone of the United Kingdom.
UTC+5h or GMT +5h would refer to that time zone being five hours ahead of UTC of GMT and so forth for the other time zones. The usage of UTC and GMT is based upon a twenty four hour clock, similar to military time, and is based upon the 0 longitude meridian, referred to as the Greenwich meridian in Greenwich, England.