Case Diameter, Which Is Measured In Millimetres
The highest water resistance ratings for timepieces are for divers, whereas dress watches often have little to none. Take note of the industry's use of "resistance" for "evidence." The primary reason "resistance" is frequently employed is because watches degrade over time if they are not properly maintained.
Watche Thickness
A watch's height may be determined by its thickness.
Water Repellency
Watches may be made from a variety of materials.