San Martin Square GMTvsSeiko Prospex Land Mechanical GMT

Owners widely praise the San Martin Square GMT for its excellent case and bracelet finishing, and its high value for the price, with one owner calling it the best automatic watch they had ever owned. The watch is noted for fitting easily under a cuff, not being as chunky as expected, and offering an on-the-fly adjustable clasp. Some owners find its design less distinctive and its logo less appealing. A specific concern raised is that bracelet screw links can protrude too far, particularly at the clasp. One owner notes that small flaws like sharp steel edges or minor dial dust can appear over time, and another criticizes the bezel action. Overall, owners rate the San Martin Square GMT highly for its exceptional finishing and value, making it a fantastic daily wear option.

Owners widely praise the Seiko Prospex Land Mechanical GMT for its faithful reconstruction of the 6117 design, its attractive gray dial, and comfortable bracelet. Reviewers highlight its handsome everyday sports watch appeal and classic Seiko diver aesthetics. However, community members are split on the value proposition, with many deeming it overpriced at $970, suggesting a better price point around $700 or on sale. Some owners criticize the 6R54 movement's accuracy, reporting deviations of up to +/- 20 seconds per day, and prefer a local jumping GMT function over the caller style. On balance, owners and reviewers appreciate the Seiko Prospex Land Mechanical GMT's design and wearability, but opinions are divided on its price and movement performance relative to alternatives.