Heavenly Mathematics: The Forgotten Art of Spherical Trigonometry

Tread through new territory with this hot Diesel watch. Black leather strap and round stainless steel case, 65x57mm. Laser iridescent crystal. Black textured analog-digital dial with analog subdials, one positive display digital window, date window and logo. Quartz movement. Water resistant to 30 meters. Two-year limited warranty.

A sport watch from Izod in midnight black with luminous accents to keep you active day and night.

Finished in a glossy gun metal varnish

Chrome trim

Designed to provide an optimal writing angle for both right- and left-handed writers

Stainless steel nib for superior resistance and durability

Refillable