Seiko Astron SAST023 GPS Solar World Time // Pre-Owned Hamilton Screw crown

Screw crown

Luminox has added an exhibition case back to show off the movement and automatic rotor

Case: 316L Stainless steel screw in 12 mm

Case Length: 48

Case Height: 13 mm

Seiko Astron SAST023 GPS Solar World Time // Pre-Owned Hamilton Screw crownCondition: Some Wear Box Papers: No Caliber 7X52 GPS controlled time and time zone adjustment Hour, minute and second hands Date calendar Perpetual calendar correct to February 2100 Signal reception result indication World time function (39 Time Zones) Daylight Saving Time function Power saving function Accuracy: + 15 seconds per month (without receiving a time signal and in temperatures between 5 and 35) Case: Stainless Steel with ceramic bezel Case