Yema Superman Worldtime GMT Coke 39 mm Ref. YGMT21B39-CMS

The Yema Superman Worldtime GMT Coke Ref. YGMT21B39-CMS combines the legendary Superman dive watch with a practical GMT function for travelers. Its iconic black and red “Coke” 24-hour bezel allows tracking of a second time zone while maintaining the classic Superman heritage. Powered by the in-house YEMA3000 manufacture calibre, it delivers reliable performance with approximately 42 hours of power reserve.  

The brushed 316L stainless steel case measures 39 mm and features the iconic Superman bezel-lock system, a screw-down crown and a double-domed sapphire crystal. The matte black maxi dial with oversized luminous markers and Super-LumiNova BGW9 offers outstanding legibility, while the red GMT hand makes reading a second time zone effortless.  

With 300 metres of water resistance and a stainless steel bracelet featuring a diver’s extension, this watch is equally suited for everyday wear and serious adventures.

TECHNICAL DATA

Reference

• YGMT21B39-CMS

Movement

• YEMA3000 Manufacture Calibre
• Automatic
• 28,800 vph (4 Hz)
• Power Reserve: approx. 42 hours
• Regulated to approx. ±10 seconds/day
• Hours, Minutes, Seconds, Date, GMT

Case

• Brushed 316L Stainless Steel
• Diameter: 39 mm
• Thickness: 11.20 mm
• Lug Width: 19 mm
• Double-Domed Sapphire Crystal
• Screw-Down Crown
• Screw-In Caseback

Bezel

• Unidirectional GMT Bezel
• Black & Red “Coke” Aluminium Insert
• 24-Hour Scale
• Superman Bezel Lock

Dial

• Matte Black Maxi Dial
• Oversized Hour Markers
• Super-LumiNova BGW9
• Red GMT Hand

Bracelet

• 316L Stainless Steel Bracelet
• Folding Safety Clasp
• Diver’s Extension

Water Resistance

• 30 BAR / 300 m

Scope of Delivery

• Original Box
• Original Papers
• Full Set
• Official International Yema Manufacturer Warranty
• Statutory warranty rights remain unaffected