Seiko Prospex Land Mechanical GMTvsSpinnaker Fleuss 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.

Prospex Land Mechanical GMT

Fleuss GMT
Diameter
39.5mm
43mm
Lug-to-Lug
46.4mm
lowest
51mm
Thickness
13.6mm
13mm
lowest
Water Resistance
200m
highest
150m
Power Reserve
72h
n/a
MSRP
$1,150
$299
lowest
Movement
Seiko 6R54
Seiko NH34
Case
6 specsCrystal & Dial
4 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
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.
Owners widely praise the Spinnaker Fleuss GMT for its aesthetic appeal and comfortable, light wearability, especially considering its affordable price point, highlighting its textured blue dial, applied lumed markers, and sapphire crystal with AR coating as stunning features. However, the watch faces criticism for its large 43mm case size, with some describing it as a "hockey puck," and a "jingly jangly" Beads of Rice bracelet with a pressed clasp, which is considered not finely finished. Some users also noted the internal bezel rotates too easily. Overall, owners rate the Spinnaker Fleuss GMT highly for its aesthetic success and value, particularly when found on discount.
The Spinnaker Fleuss GMT's Seiko NH34 movement is a recurring positive point. Reviewers also noted the watch's attractive colorways and comfortable wear. No shared weaknesses were identified across the reviews.
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