Seiko Prospex SPB189J1 Shogun Titanium Diver's 1968 Modern Reinterpretation.
Movement: Automatic with manual winding capacityCaliber 6R35 Jewels: 24
Power Reserve: 70 hours
Titanium (super hard coating) case and bracelet
Case: D43.5mm x L51mm x T13.3mm
Lumibrite on hands, indices and bezel
Sapphire crystal with inner anti-reflective coating & magnifier
Unidirectional rotating titanium bezel
Water resistance: 200m / 660ft diver's
Screw-down crown and case back
Three-fold clasp with secure lock, push button release with extender