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Genuine 7 Year Warranty Campaign Free Shipping Citizen Promaster Marine Series Mechanical Diver 200m Barnacle Diver Titanium Diver's Watch Automatic Men's Watch NB6021-68L CITIZEN PROMASTER MARINE Analog Blue ◆Citizen PROMASTER, an authentic sports watch that combines functionality, durability, and safety. Inheriting the design of the ``Challenge Diver'' released in 1977, which was loved as the ``Barnacle Diver'', a modern updated mechanical diver's watch equipped with a reinforced anti-magnetic movement is now available. The rounded design that can be seen from the side view, the mortar-shaped bezel, and the design that follows the case width and mirror and hairline finish of the past give you a sense of nostalgia. Equipped with cal.9051, which has excellent magnetic resistance of 16000A/m by using materials that are not easily magnetized for the hairspring and surrounding parts. Although it is a mechanical watch, it has a reduced thickness and is comfortable to wear. It is a watch that meets the standards of an authentic diver's watch, but can also be used for everyday use. Release date: Released in August 2022 Mechanical watch
| Product number | NB6021-68L |
| Drive method | Automatic winding (hand winding) |
| Material: case | Super titanium/Duratect titanium carbide (some exceptions) (Silver color) |
| Material: belt | Super Titanium/Duratect Titanium Carbide (Silver color/split pipe) |
| windshield | sapphire glass |
| Dial color | blue |
| belt color | silver |
| Size (length x width x thickness) | Approximately 49×41×12mm |
| Can width | Approximately 20mm |
| belt around arm | Maximum about 20cm |
| weight | Approximately 101g |
| Specifications | Waterproof for 200m diving Average daily difference -10 to +20 seconds Driving time approximately 42 hours (maximum winding) date display Vibration frequency: 28,800 times/hour Number of stones: 24 stones Second hand stop function Quick date correction function Nickel resistance Magnetic resistant type 2 Luminous (hands/index) Reverse rotating bezel screw lock crown Double holding buckle with ratchet |
| accessories | Warranty card/dedicated box *As part of our efforts to address environmental issues, the instruction manual has been digitized. Please check the included warranty for details. |
| Guarantee | Five-year warranty from the manufacturer (Registration to MY CITIZEN required) |
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| →Size adjustment | →Gift wrapping |
| →Name engraving/engraving | →New battery replacement before shipping |
| ・Please order together with the product. ・Some products may not be compatible with various services. Please refer to each service page for details. | |














