What Is a Chronograph A stopwatch function built into the watch. Sub-dials track elapsed time. Pushers start, stop, and reset timing. Distinct from standard timekeeping....

Elapsed Time Tracking Rotating bezels measure dive duration. Turn counterclockwise only for safety. Align marker with minute hand at dive start. Read elapsed time from...

Understanding Moonphase The display shows current lunar phase. Cycle completes every 29.5 days. Accuracy varies by movement quality. Beautiful complication with astronomical roots. Initial Setting...

Mineral Crystal Affordable and adequate for daily use. Scratches more easily than sapphire. Replacement cost stays reasonable. Found on entry-level watches. Sapphire Crystal Second hardest...

What Makes a Dress Watch Thin cases slip under shirt cuffs. Simple dials read at a glance. Leather straps complement formal attire. Understated elegance defines...

Accuracy Standards Automatic watches typically run within -4 to +6 seconds per day when new. COSC certification guarantees -4/+6 seconds daily. Masterchronometer certification achieves 0/+5...