Main Features:• Automatic mechanical watch, self-winding, doesn't need battery, environmentally friendly
• Hollow-out design, let you see the complex structure of the watch
• Leather strap, comfortable to wear and durable to use
• Classic pin buckle, convenient to adjust the length and not easy to fall off

The power of movement
Automatic mechanical watch without batteries, the motion of time pointers depend on the swing of arm, so you must wear it more than eight hours a day to keep precise time. Brand: Oulm
Watches categories: Male table
Watch style: Hollow-out
Available color: Gold,Silver Movement type: Automatic mechanical watch
Shape of the dial: Round
Display type: Analog
Case material: Stainless Steel Band material: Leather
Clasp type: Pin buckle The dial thickness: 1.5 cm / 0.59 inches
The dial diameter: 5.0 cm / 1.97 inches
Wearable length: 17.5 - 23.5 cm / 6.89 - 9.25 inches
0.143 Package weight: 0.168 kg
Product size (L x W x H): 27.00 x 5.00 x 1.50 cm / 10.63 x 1.97 x 0.59 inches
Package size (L x W x H): 28.00 x 6.00 x 2.50 cm / 11.02 x 2.36 x 0.98 inches Package Contents: 1 x Oulm 3218 Automatic Mechanical Watch