This is a genuine belt made with thick urethane material for a sturdy construction. It can be attached to various watches as long as the belt width is compatible, with the exception of some watches. You can easily replace it with a spring bar remover, so please use it according to your needs, such as for divers' models or military watches. ＜Details＞ Belt Color: Black Material: Urethane Size: Buckle side approx. 140mm / Clasp side approx. 84mm Lug width: approx. 19.5mm Buckle width: approx. 18mm ※ There may be slight individual differences in the lug width, but it will fit watches with a 20mm lug width. We are very sorry, but the shipping days are generally (Tuesday and Thursday). Purchases on Monday → Shipped on Tuesday Purchases on Tuesday and Wednesday → Shipped on Thursday Purchases from Thursday to Sunday → Shipped on Tuesday We are closed on Saturdays, Sundays, and holidays. Thank you for your understanding. We are very selfish, but we would be grateful if you would purchase it.