SBEJ011 Mechanical Divers 1968 Heritage GMT Movement Caliber No: 6R54 Drive system :Mechanical automatic (with manual winding) Accuracy : Daily error +25 seconds to -15 seconds Drive period : Lasts for approximately 72 hours when fully wound Number of stones 24 Stone function : 24-hour hand (dual time display function) Second hand stop function Glass Material : sapphire Case Size : Thickness: 12.9mm Width: 42.0mm Height: 48.6mm water proof : 200m water resistant for air diving Magnetic resistance : can be Weight : 176.0g Other features Unidirectional rotating bezel Screw-down crown Double lock clasp Screw back 文字盤カラー...ブラック ベルトカラー...シルバー 動作...良好 傷・割れなど...なし