'Kamasu' is a Japanese name of Barracuda. The teeth-like hands and indexes are the image of 'Kamasu', Barracuda.
'Kamasu' is a proper Divers watch that is cleared ISO6425 standard.
About ISO6425
https://en.wikipedia.org/wiki/Diving_watch#ISO_6425_standard_for_diving_watches
The date display can be changed to Kanji or English by switching a crown.
Listed price : 41,800 Yen
Case & Bracelet: Stainless steel
Crystal: Sapphire crystal
Dial : Dark Green
Water Resistance: AIR DIVER'S 200m
Magnetic Resistant: 4800A/m
Diameter: 41.8 mm (without the crown) Thickness: 12.8 mm Weight: 169g
Movement
Orient Automatic F6922 / 22 Jewels
With Hand winding and Hack function
Power reserve: 40 Hour
Accuracy: +25/-15 sec per day
Contains
Instructions
Orient original box
Japan only one year warranty