The Tudor Heritage Chrono Blue (Reference 70330B) is a modern mechanical tribute to the iconic 1970s "Monte Carlo" chronograph. Known for its vibrant blue, orange, and opaline color palette, it blends vintage aesthetic charm with modern build quality. 

• Case Size: 42mm diameter and approximately 12.8mm to 13mm thick, featuring a mix of polished and satin-brushed stainless steel.

• Movement: Self-winding Calibre T401, which is an ETA 2892 base fitted with a Dubois-Dépraz chronograph module.

• Power Reserve: Approximately 42 hours.

• Water Resistance: 150 meters (500 feet), supported by a screw-down crown and screw-down pushers.

• Crystal: Scratch-resistant sapphire crystal.

• Bezel: Bidirectional rotating steel bezel with a blue anodized aluminum insert and a 12-hour scale, which can be used to track a second time zone.