SEIKO Prospex Marinemaster Automatic 1965 Heritage Diver's Watch HOME_SPCL [Movement]Calibre Number[:] 6R51[br]Movement Type[:] Automatic

[Movement]Calibre Number[:] 6R51[br]Movement Type[:] Automatic with manual winding[br]Precision[:] +25 to -15 seconds per day[br]Power reserve[:] Approx

[Movement]Caliber Number[:] 8L35[br]Movement Type[:] Automatic with manual winding[br]Precision[:] +15 to -10 seconds per day[br]Power reserve[:] Approx

•World time function (38 cities)

Case Size 34 mm

Movement RW4200 mechanical with automatic winding

SEIKO Prospex Marinemaster Automatic 1965 Heritage Diver's Watch HOME_SPCL [Movement]Calibre Number[:] 6R51[br]Movement Type[:] Automatic[Movement]Caliber Number[:] 6L37[br]Movement Type[:] Automatic with manual winding[br]Precision[:] +15 to 10 seconds per day[br]Power reserve[:] Approx. 45 hours[br]Jewels[:] 26[br]Functions[:] 28,800 vibrations per hour (9 beats per second) Stop second hand function[Movement][CaseBand]Case Material[:] Stainless steel[br]Case Size[:] Thickness: 12. 3mm Diameter: 39. 5mm Lug to lug: 47. 2mm[br]Crystal[:] Box shaped sapphire crystal[br]Crystal