BLUE MARLIN 45mm mk7
At a glance
Flat Sapphire glass 
sunburst dial
BGW9 LUME
200m water resistance 
Screw down lume signature crown 
SWISS RONDA 715 MOVEMENT 
316L stainless steel 
Rotating Bezel 120 click
45mm case polished 
24-22 Stainless steel band with turtle buckle,
 
Swiss Ronda 715  movement 
5 year Battery 
 
Hacking seconds
+\- 20 seconds a month
operating temperatures of 0-50 degrees Celsius (32-122 F).
 
Including 
boxed warranty card cloth bracelet tool
 
Brands using Ronda movements 
TAG Heuer.
Chopard.
Czapek.
Gucci.
Seiko.
Christopher ward
Trident 
Raymond Weil.
Maurice Lacroix.