while the screw-down crown and unidirectional bezel with diving scales provide professional-grade performance

this 3-hand diver's watch has a case made of highest-quality 316L stainless steel

further enhancing its pedigree

reliability – the SUB 300’s automatic three-hand movement holds the prestigious COSC Certified Chronometer certification guaranteeing all three

The mechanical automatic chronograph (28

Professional Bracelet:Rubber Black while the screw-down crown andThe SUB 300 sports watch combines functionality with style, maintaining foundational tool watch features in a redesigned 42. 5 mm diameter case, now slimmer at 11. 95 mm. The black ceramic bezel and screw down crown enhance its sport chic character, complemented by a sophisticated sunburst dial finish. Available with an FKM rubber strap or stainless steel "Beads of Rice" bracelet, both featuring a ratcheting folding clasp, the watch is water resistant