G-Shock GMCB2100D1A Full Metal Analog Dual Chronograph Black Dial Citizen Eco-Drive Nighthawk BJ7009-58E and the screw down case

and the screw down case back is noted with 'Limited Edition' on the glass insert

Light brown

with helium escape valve

Gloss black resin digital watch with a champagne pink face

the watch will detect your aircraft’s change in altitude and automatically initiate the logbook function — recording date

G-Shock GMCB2100D1A Full Metal Analog Dual Chronograph Black Dial Citizen Eco-Drive Nighthawk BJ7009-58E and the screw down caseIntroducing the full metal chronograph addition to the continually evolving 2100 line of timepieces which inherit the legacy of the first ever G SHOCK, the DW5000C. We take it way back with the octagonal bezel and dimpled band design of the original from 1983, but all done in metal with stainless steel case, bezel, and band. Buffering components made of fine resin are installed between the bezel and the case for a shock resistant structure with a full