Mens Eco Drive PCAT World Timer, Perpetual Calendar, Power Reserve Indicator, Chronograph/Calendar/Alarm, Atomic Timekeeping Technology with Synchronized Time Adjustment Available in 43 World Cities, Radio Control, 1-Second Chronograph, yellow gold tone ion plated stainless steel case, black tone ion plated bezel with tachymeter scale, sapphire glass crystal, yellow gold tone ion plated crown and push buttons, stainless steel press on caseback (some room for engraving), yellow gold tone ion plated stainless steel bracelet with hidden push buttons fold over clasp, black tone dial, yellow gold tone hour and minute hands with luminous, white tone second hand (no luminous), black tone sub dials with gold tone ring, white tone multifunction hand (2:00 sub dial, no luminous), white tone 24-hour hand (10:00 sub dial, no luminous), white tone mode hand (6:00 sub dial, no luminous), yellow gold tone applied stick indices (luminous)

Mens Eco Drive 60-minute 1/5 second chronograph with date of month feature (not perpetual), yellow gold tone ion plated brushed stainless steel case with 62 decorative crystals on bezel, mineral glass crystal, yellow gold tone ion plated stainless steel crown and push buttons, stainless steel screw down caseback (little room for engraving), yellow gold tone ion plated bracelet with 174 decorative crystals and push button fold over claps, bluek tone dial, yellow gold tone hour and minute hands with luminous, yellow gold tone second hand with (no luminous), blue tone sub dials, yellow gold tone true second (6:00, no luminous), yellow gold tone 60-minute recorder hand (12:00, no luminous), yellow gold tone 24-hour hand (9:00, no luminous), 16 applied decorative crystals hour Indices (no luminous), total of 252 decorative crsytals.

A classic aesthetic featuring a silver-tone stainless-steel case and crisp white dial with black accents. Water resistant to 100 meters. Style # BI5051-51A.