Attention-grabbing to notice here: while the Cal. 925 has a power reserve of about 40 hours, this 1 will operate for 70 hrs, indicating you'll be able to don it in the function 7 days, get it off to the weekend, and go back to a watch whose day operate, https://www.watchesworld.com/a-guide-to-10-of-the-best-dress-watches/