CYMA GRAND MAESTRO "THE CHESS" MEN'S SWISS AUTOMATIC CHRONOGRAPH — SILVER (W02-00818-003) CANVAS STRAP What's the difference between the

What's the difference between the BGA-320-1ADR and the BA-130-1A4DR (both black/rose gold)

Regulation Patented Woodpecker Neck

same Day Counter

Blue dial with clean 3-hands layout

CYMA GRAND MAESTRO "THE CHESS" MEN'S SWISS AUTOMATIC CHRONOGRAPH — SILVER (W02-00818-003) CANVAS STRAP What's the difference between theA mechanical chronograph of genuine complexity. Quietly, precisely Swiss. The CYMA Grand Maestro "The Chess" is built around the ETA 7751 one of the most respected automatic movements ever made. Developed by ETA in Switzerland and found across the Swiss watch industry, the 7751 is a full rotor automatic with an integrated chronograph and calendar module that has never needed to be reinvented. 25 jewels. 28,800 vibrations per hour. 48 hours of power