Serket Watch Co Blackpool GMTvsSeiko Prospex Land Mechanical GMT
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Blackpool GMT

Prospex Land Mechanical GMT
Diameter
40mm
39.5mm
Lug-to-Lug
47mm
46.4mm
lowest
Thickness
11.5mm
lowest
13.6mm
Water Resistance
200m
200m
Power Reserve
n/a
72h
MSRP
$379
lowest
$1,150
Movement
Seiko NH34
Seiko 6R54
Case
3 specsCrystal & Dial
4 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Serket Watch Co Blackpool GMT is widely praised for its finishing, design, and ideal 40mm size, offering a luxurious yet functional GMT experience at an affordable price. Owners also note the watch is suitable for both casual and formal wear. One owner dislikes the bezel's "friction" feel, finding it moves too easily. Another owner wished the bracelet links were brushed, and the lume is considered poor. Overall, owners rate the Serket Watch Co Blackpool GMT highly for its impressive finishing and design at the price point.
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.
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