Prospex Alpinist GMT Blue SPB377

This watch features automatic movement and includes hours, minutes, seconds, date, and GMT functions. It has a blue dial with lumibrite-coated hands and markers, sapphire crystal, and a stainless steel case. The strap is a blue calf leather bracelet.

• The description claims a power reserve of 72 hours.
• The description claims accuracy of +25 to -15 seconds per day.
• The description claims water resistance of 20 bar / 200 meters / 660 ft.