Seiko Prospex Marine Master 1000m Tuna Can Automatic SBDX013 Luminox Super Seal 3813 Chronograph A.3813 up to 9 hours with

up to 9 hours with accuracy priority (varies according to app use)

Movement: Tutima 521

While MoP does have a reputation for fragility

The emblematic Le Grand Dupont is reinvented

Seiko Prospex Marine Master 1000m Tuna Can Automatic SBDX013 Luminox Super Seal 3813 Chronograph A.3813 up to 9 hours withCalibre: 8L35 Movement: Automatic with manual winding mechanism Vibration Per Hour: 28,800(8 beats per second) Power Reserve: Approximately 50 hours Number of jewels: 26 Case Material: Titanium with black hard coating and ceramic case Crystal: Sapphire crystal with anti fogging coating Crown: Screw down crown Water Resistance: 1,000m for saturation diving. Magnetic resistance 4,800 A m Case Diameter: 48. 2mm Case Thickness: 17. 4mm Band: Extra