Seiko Prospex SPB191J1

6R35 (automatic with manual winding capacity)

Approximately 70 hours (+25 to -15 seconds per day)

Sapphire crystal with magnifier (anti-reflective coating)

Lumibrite on hands, indexes and bezel

Titanium (super hard coating) case, titanium bezel with silicone band

200m / 660ft diver’s

Thickness: 13.3 mm
Diameter: 43.5 mm
Length: 51.0 mm

Against an allergic reaction to metal
Screw case back
Screw-down crown
Unidirectional rotating bezel
24 jewels
Date display
Stop second hand function (hacking mechanism)