SPB191J1 Prospex Titanium(super-hard coating) with titanium bezel studs Selectable measurement interval: 5 seconds

Selectable measurement interval: 5 seconds or 2 minutes (1 second for first 3 minutes only)

heart rate) use

10k white and yellow gold

1-minute increments and 1-hour increments)

SPB191J1 Prospex Titanium(super-hard coating) with titanium bezel studs Selectable measurement interval: 5 secondsSpecifications 200m 660 ft diver's Mechanical Movement Caliber Number 6R35 Movement Type Automatic with manual winding capacity Accuracy +25 to 15 seconds per day Exterior Case Material Titanium(super hard coating) with titanium bezel Crystal Sapphire crystal with magnifier Crystal Coating Anti reflective coating on inner surface LumiBrite Lumibrite on hands, indexes and bezel Band Material Silicone Other Details Water Resistance 200m 660ft diver's