The Orient Star RE - AV0007S00B Automatic Open Heart Watch is perfect for both formal business meetings and casual weekend outings. It's ideal for watch enthusiasts who appreciate Japanese craftsmanship and a touch of elegance. With an approximate case diameter of 40mm and thickness of 13mm, it's a comfortable fit on the wrist. Whether you're out in the rain or just washing your hands, its 50M water resistance ensures it can handle daily splashes. The white semi - skeleton dial not only looks stylish but also gives you a peek at the watch's inner mechanism, making it a great conversation starter.