Islander Bayport Automatic DivervsSan Martin Watchdives X 39mm NH34 GMT Dive SN0121B

Owners widely praise the Islander Bayport Automatic Dive Watch for its versatile 40mm case size and retro styling, featuring a unique grey dial with a framed date window and a pie pan design. Reviewers and owners alike highlight the watch's well-executed finishing with chamfered edges, a tight 120-click bezel, and the reliable Seiko NH35 automatic movement. Accuracy reports vary, with some owners seeing between -3 and +6 seconds per day, while others note that the NH36 movement in comparable models can be regulated to achieve near-zero daily deviation. Overall, owners and reviewers consider the Islander Bayport Automatic Dive Watch an exceptional value proposition for the brand.

San Martin Watchdives X 39mm NH34 GMT Dive SN0121B owners widely praise its fit and finish, which is considered up to normal San Martin standards, with one owner noting quality detailing and a color-matched date wheel as a nice touch. The bezel action is flagged as great, and the new fly-adjustable clasp with the hexagon logo is well-received. However, some owners find the handset and indices proportions awkward and too bold, with a preference for a white date wheel over the color-matched one. The GMT hand alignment runs 10–15 minutes ahead of the local time hour hand, which some attribute to typical play in the NH34 movement, while one owner found this misalignment excessive. On balance, owners rate the San Martin Watchdives X 39mm NH34 GMT Dive SN0121B highly for its build quality and wearability at the price point, despite some aesthetic and functional critiques regarding the dial elements and GMT hand.