Seiko Speedtimer 6R ‘Compact Countdown’ in Black-Grey Contrast Case Shape:Round Movement FunctionMechanical chronograph self-winding

Movement FunctionMechanical chronograph self-winding

Movement Function2 Hand

this Space Star 83538 SY-099 watch is detailed with a dual-tone band

MovementVH64

Seiko Speedtimer 6R ‘Compact Countdown’ in Black-Grey Contrast Case Shape:Round Movement FunctionMechanical chronograph self-winding[Movement]Caliber Number[:] 6R55[br]Movement Type[:] Automatic with manual winding[br]Precision[:] +25 to 15 seconds per day[br]Power reserve[:] Approx. 72 hours(3 days)[br]Jewels[:] 24[br]Functions[:] Stop second hand function[Movement][CaseBand]Case Material[:] Stainless steel (super hard coating)[br]Case Size[:] Thickness: 12. 0mm Diameter: 39. 5mm Lug to lug: 44. 5mm[br]Crystal[:] Curved sapphire crystal[br]Crystal Coating[:] Anti reflective