John Harrison JH-083MGB Men's Black Watch

●Uses a Citizen Miyota 2036 movement; ●Uses a Murota SR626SW movement; ●Lifespan: Over 2 years; ●Monthly accuracy: ±60 seconds; [Product dimensions] ●Diameter: 43mm (52mm x 46mm x 10mm) ●Wrist circumference: Maximum 230mm ●Weight: Approximately 128g ●Crystal: 8-sided cut crystal glass ●Bezel, band, case back, clasp: All stainless steel ●Case, case back, band: Stainless steel ●Clasp: Stainless steel, three-fold type with push-button operation on both sides ●Four natural diamonds on the dial ●Comes with a natural diamond quality guarantee ●Water resistant for daily use (3 bar) ●1-year warranty ●Comes in a special presentation box ●Country of origin: China ●Lifespan: Over 2 years