ORIENT STAR KESHIKI Limited Edition 900pcs Contemporary Open Heart RE-AT0021L

Specifications
Mechanical Movement :
ORIENT caliber F6R42 Made in Japan
Self-winding & Hand-winding movement
22 jewels
21600/hour vibrations
Accuracy + 25 seconds to -15 seconds
50 hours  Power reserve
Second hand halt mechanism
Stainless steel case
Stainless steel Bracelet
Sapphire crystal with anti-reflection coating
Screw see-through caseback with Inorganic glass
Water resistant to 10bar
Case:  39.3 mm
Lug side 20 mm
Thickness 12.2 mm
Weight : 149g
Dial: Blue grey gradation