Specifications:
Mechanical Automatic with manual winding
Caliber # 6R15
Jade Green Dial
Stainless Steel Case Material
Hard Rex Glass Material
Lumibrite
+25 seconds -15 seconds Accuracy 
200m Waterproof for diving
anti-magnetic 4,800A/m
53mm × 45mm × 13mm size
Weight 181 gram
20 mm Band width
Screw back
Rotating bezel
Screw lock type crown
Double lock clasp
23 Jewels
Second hand stop function
Made in Japan