Named after the face size (51mm) and water rating (30 ATM)

If you're looking for a more stylish waterman's watch

It features traditional performance features like a unidirectional rotating bezel and a 300m/ 30ATM waterproof rating and inspired details like shark tooth-knurling on the crown

it looks like a million bucks no matter how much you’re carrying

leather band

Medium Time Teller - Light Gold / Turquoise watches-under-500 Named after the face sizeLike the perfect white t shirt, the Medium Time Teller is an essential. At 31mm, it's slightly smaller than the iconic model. But just like that model, the Medium Time Teller has a timeless design, a sleek, numberless dial and a 10 ATM water rating that make it an everyday go to.