The Ball Watch Co Roadmaster Challenger Moonphase, reference DM3130B-S13J-BK, is a limited edition diver produced in Switzerland. The watch features a round stainless steel case measuring 40 mm in diameter and 13.5 mm in thickness. This case size is 2 mm below the 42 mm average found in the Hourstriker database. The exterior includes a ceramic bezel, a screw down crown, and a sapphire crystal case back. The watch is rated for 300 meters of water resistance and is fitted with a 20 mm stainless steel bracelet secured by a deployant clasp.
LIMITED EDITION
1000
WEIGHT
Approx. 180g
MOVEMENT
Automatic caliber BALL RR1801
SpringLOCK® patented hairspring anti-shock system
SpringSEAL® patented regulator anti-shock system
SIZE (CASE)
Ø 40mm, height 13.5mm
WATER RESISTANCE
300m/1000ft
ANTI-MAGNETISM
4,800A/m
MICRO GAS TUBES
30 micro gas tubes on hour, minute and second hands, dial and bezel for night reading capability
FUNCTIONS
Micro gas tubes illuminated moon phase indication
Hours, minutes, sweep seconds, magnified date
5,000Gs shock resistance
CASE MATERIAL
Stainless steel
Unidirectional rotating ceramic bezel with gas tube inset, markings illuminated by Super LumiNova
Sapphire crystal transparent case back
CROWN
Screwed-in crown
CRYSTAL
Anti-reflective sapphire crystal
DIAL COLOR
Black, Blue or Green
BRACELET
Stainless steel bracelet with folding buckle
LUG WIDTH
20mm
LUG TO LUG
Approx. 47.8mm
The Ball Watch Co Roadmaster Challenger Moonphase, reference DM3130B-S13J-BK, is a limited edition diver produced in Switzerland. The watch features a round stainless steel case measuring 40 mm in diameter and 13.5 mm in thickness. This case size is 2 mm below the 42 mm average found in the Hourstriker database. The exterior includes a ceramic bezel, a screw down crown, and a sapphire crystal case back. The watch is rated for 300 meters of water resistance and is fitted with a 20 mm stainless steel bracelet secured by a deployant clasp.
LIMITED EDITION
1000
WEIGHT
Approx. 180g
MOVEMENT
Automatic caliber BALL RR1801
SpringLOCK® patented hairspring anti-shock system
SpringSEAL® patented regulator anti-shock system
SIZE (CASE)
Ø 40mm, height 13.5mm
WATER RESISTANCE
300m/1000ft
ANTI-MAGNETISM
4,800A/m
MICRO GAS TUBES
30 micro gas tubes on hour, minute and second hands, dial and bezel for night reading capability
FUNCTIONS
Micro gas tubes illuminated moon phase indication
Hours, minutes, sweep seconds, magnified date
5,000Gs shock resistance
CASE MATERIAL
Stainless steel
Unidirectional rotating ceramic bezel with gas tube inset, markings illuminated by Super LumiNova
Sapphire crystal transparent case back
CROWN
Screwed-in crown
CRYSTAL
Anti-reflective sapphire crystal
DIAL COLOR
Black, Blue or Green
BRACELET
Stainless steel bracelet with folding buckle
LUG WIDTH
20mm
LUG TO LUG
Approx. 47.8mm