San Martin Turtle DivervsSeiko Seiko 5 Sports SKX series

Owners widely praise the San Martin Turtle Diver SN047 for its retro design, exceptional value, and impressive build quality, noting superior finishing and machining compared to other options. The watch features a striking blue sunburst dial, applied indices, and a ceramic bezel with excellent action, though some report minor back play. Its lume is consistently highlighted as remarkably bright and long-lasting, comparable to Seiko's LumiBrite. The Seiko NH35 movement is reliable, and the watch demonstrates remarkable accuracy, with one owner reporting it stayed within half a second of the correct time over 30 hours. While the 44mm case is noted as potentially large for smaller wrists, many find it wears smaller than its diameter suggests and is comfortable on average wrists. Some owners find the white date wheel distracting. Overall, owners rate the San Martin Turtle Diver SN047 highly for its outstanding finishing and vibrant dial at an exceptional price point.

The Seiko 5 Sports SKX series is widely praised as an excellent value gateway watch, with owners and reviewers highlighting its solid build and powerful lume. The 22mm bracelet is noted for its comfort, and the watch offers numerous style options. Some owners find the original SKX models heavy and bulky, while others appreciate their ruggedness and iconic dive watch design. The Seiko 5 Sports SKX series offers an upgraded movement with hacking and hand-winding, and standard spring bars for easier strap changes. However, it lacks the screw-down crown and ISO certification of the original SKX, leading some to consider it less of a tool watch. On balance, owners and reviewers rate the Seiko 5 Sports SKX series highly for its value and modern features, despite some preferring the tool watch capabilities of its predecessor.