Diving watch analogue watch quartz watch series tauchmeister 1937 professional deep sea case material stainless steel water resistant to 500m 50 atm case size 55 mm case height 17 mm watch glass sapphire glass watch strap leather clasp pin buckle watch strap colour brown display analogue display type with date display dial colour beige property of hands luminous hands clock mechanism quartz functions time zones power supply battery operated c