San Martin Turtle DivervsSeiko Prospex Sea Save the Ocean Special Edition

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 Prospex Sea Save the Ocean Special Edition is widely praised for its exceptional and unique dial designs, often described as a highlight with wave patterns, lagoon hues, or even manta rays, offering a "Grand Seiko feel" at a regular Seiko price. Owners and reviewers consistently note the attractive color combinations and textured appearances, making it a standout feature. The watch is generally considered solidly built and good value, with satisfactory lume and smooth bezel operation. However, the bracelet and clasp are frequently criticized as underwhelming, rattly, and lacking a convenient diver's extension, a common complaint across several Seiko models. Some owners also express a desire for exhibition casebacks or note potential quality control issues such as misaligned bezels or day/date wheels. Overall, owners and reviewers rate the Seiko Prospex Sea Save the Ocean Special Edition highly for its visually striking and unique dial designs at an accessible price point.