Ryukyu Diver Retro Black

- NH36A automatic movement

- 24 jewels

- beat rate at 21,600 BPH (3Hz)

- around 41 hours power reserve

- 40.7mm diameter, 46.5mm lug-to-lug, 11.7mm thick

- 316L stainless steel

- satin finishing and mirror-polished

- screw-down crown, screwed in caseback

- 200m water resistance

- flushed domed sapphire crystal

- matte charcoal black dial

- applied hour markers

- 2.7mm thick ceramic bezel

- date window 3 o'clock

- Superluminova BGW9

- 20mm stainless steel sports bracelet

- emblematic "ひとり" engraved clasp

- satin-polished surface and mirror-finished sides

- drilled lug holes, easy strap change