Tudor | Submariner, Reference 7928, A stainless steel wristwatch with bracelet, Circa 1958 | 帝陀 | Submariner 型號7928 精鋼鏈帶腕錶，1958年製

Tudor launched in 1926 as its own company with the mission of creating highly dependable watches at a more affordable price points than their big brother counterpart, Rolex. When the first Tudor Oyster-Prince Submariner reference 7922 debuted in 1954, it looked almost identical to the Rolex models 6200, 6204, and 6205, which launched just months prior.

The manufacturer launched their most recognizable Submariner variation, the reference 7928 in 1960. This 4th generation Tudor Submariner looked very similar to the Rolex references 5512 and 5513, featuring a rugged and sizable 40 mm case with protective crown guards. Just like Rolex models, the reference 7928 went through many crown guard variations from square, to the pointed crown guards seen here, to the rounded crown guards we see popular today.