OLEVS 6670 automatic.

Official Description:
Men's Watch Non-battery: This is a watch with automatic winding function, no battery, long working life of the movement and better quality. Excellent energy reserve can store up to 60 hours of working energy, even if you don’t wear it, you don’t have to worry about it not working.
Mens Watch Leather Strap, breathable leather strap, comfortable and refreshing to wear in summer, simple and easy buckle, exquisite and delicate.
The leather strap is warm and comfortable with the exquisite workmanship.
Mens Skeleton Watch, This watch With a back transparent design, through the artificial sapphire glass back cover, we can appreciate the beauty of the manual winding movement, exuding a noble atmosphere.
3ATM Waterproof watch, 30-meter waterproof depth, equipped with a sealed waterproof ring , After rigorous testing, it can easily deal with the damage to the watch caused by daily splashes, hand washing, sweat and so on. And equipped with a high-configuration luminous function, so that you can see the time in the dark, and never fear the darkness.
OLEVS Branded Professional Warranty Service, We provide a all life warranty service for fully automatic mechanical watches. Free returns are provided within 30 days. If you encounter any problems during the use of the watch, please feel free to contact us. We will provide you with professional services!

The product link is https://olevs.com/products/olevs-skel...

Specification

Dial Window Material Type Coated Glass

Case Shape Round

Band Length 24cm

Clasp Type Buckle

Water Resistance Depth 3BAR

Brand Name OLEVS

Model Number 6670