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**Use official express EMS**
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**United Black Machine (Machine 21)**
United Black Machine is the 21st in the Super Machine series
Original design, hand-made, exquisite machine surface, each part is made and painted by hand.
Painted gear machine design, plus three-dimensional machine parts, brass connections, the use of discarded watches and electronic parts, the location of the time into the parts and machine design, take care to understand.
Black and white as the main color, gold and silver as the gear color, and then use other colors as the color of the wire and parts for embellishment
Unique retro dark brown stained leather, black stitching to match the overall design, one-piece design hand strap
Button structure, easy to remove it for battery replacement or repair
**=============== Free service ===============**
**If necessary, the name of the surface or strap can be added. The strap can be modified to a suitable size**
Want to know more about our brand: https://www.pinkoi.com/user/yplus7880
**Watch data**
Surface size frame: 4.5 cm
Wide strap 2.5cm for wrist circumference: 16-22 cm
**Materials**
Aluminum alloy, electronic parts, copper, steel, cowhide
**Use and maintenance methods**
Movement: quartz movement, replace the battery about once every two years
Life is waterproof and it usually rains. Wash hands will not enter water, but do not immerse in water.
The leather strap can be covered with regular protective oil. If there is no protective oil, it can be replaced with a general moisturizer.
After wet water wipe dry.
**Origin / manufacturing methods**
Hong Kong handmade
