THE REEF D5.163.21.127
The REEF is a nice looking watch with a black rubber band, a case diameter of 44.5mm, is water resistant up to 20ATM/200m and uses an ISA 9238/1970 Swiss quartz movement mechanism.
On my 18cm thick wrist the case looks right at home (around 45mm is the ideal case diameter for my hand).
The case is 12.5mm thick and is covered by scratch resistant mineral crystal. The bezel can be rotated (counter clockwise) and inside we see three sub dials one for the day (mon/sun), one for the date (1-31) and one for the hours of the day (24).
The REEF has two buttons on the right side (used to set the time) and a screw-down crown with the Catlogo on it.
The rubber strap is a lot easier to bend than the one used with the G-SHOCK GA-110-1AER and thus it hugs your wrist better.
Moving at the rear we see the company name engraved on the buckle.
At the stainless steel screw-down rear case we see the procuct logo (Cat), URL and water resistant properties (once again we had to remove some of the light to make the writings visible).
Thanks to the large amount of luminous material used you can tell the time in total darkness (provided of course your watch had contact with a light source soon prior to that).