Automatic F6L24 caliber movement ensures reliable self-winding for long-lasting performance
Open Heart mechanism provides enhanced efficiency and smooth winding
24-hour dial exhibition caseback allows for easy time checks at a glance
Sapphire crystal caseback offers clear visibility of the internal movement
Solid link stainless steel clasp and foldover band deliver durability and comfort
Summarized by Shop
If you could peel back the layers of the RA-AS00 to see their cores, wouldn’t you? Well now you can. The added Open Heart showcases all of the mysteries of the universe in the palm of your hand.
Movement
F6L24 automatic hand winding, approximately 40 hours power reserve