Citizen Automatic 40 mm Black Dial Leather Strap NJ0210-05E Watch

40 mm Automatic Stainless Steel Watch

This Citizen timepiece features a 40.00 mm stainless steel case paired with a black leather strap and a black analog dial. The automatic caliber 8210 movement runs without a battery and offers approximately 40 hours of power reserve. It is designed for daily wear in casual or office settings with a classic round silhouette.

50 m Water Resistance Practical Limits

Rated at 5 bar or 50 m water resistance, the watch handles splashes, rain and brief immersion during everyday activities. It is not intended for swimming, showering or any sustained water pressure beyond accidental exposure. The sapphire crystal and fixed stainless steel bezel add durability against scratches and minor impacts.

Automatic Movement Accuracy Range

The caliber 8210 specifies a daily rate of approximately minus 20 to plus 40 seconds, so timekeeping will vary within that window. Buyers who require chronometer-level precision or a tighter regulated rate should consider a different movement class. The see-through case back reveals the mechanical rotor for visual confirmation of operation.