Charlie Paris Watches Concordia - GMT (40mm automatic)vsGrand Seiko SBGM245
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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.

Concordia - GMT (40mm automatic)

SBGM245
Diameter
40mm
40.5mm
Lug-to-Lug
n/a
48.6mm
Thickness
n/a
14.4mm
Water Resistance
300m
highest
200m
Power Reserve
41h
72h
highest
MSRP
$1,200
lowest
$6,100
Movement
Seiko NH34
Grand Seiko 9S66
Case
4 specsCrystal & Dial
2 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Charlie Paris Watches CONCORDIA - GMT (40mm automatic) for its well-executed design, featuring brushed flats, polished sides, and chamfers, along with serious specifications like 300m water resistance, which is uncommon at its price point. Reviewers and owners highlight its balanced aesthetic, merging dive and GMT functions with a retro vibe, and appreciate the dial texture and solid bezel mechanism. Some owners find the brand name and logo a downside, and one reviewer noted the bracelet clasp quality did not match the otherwise well-executed watch, while another preferred a date wheel that matched the dial or lume. The Soprod movement's 40-hour power reserve is cited by multiple sources as a drawback compared to competitors, and one owner mentioned a $1500 price point and potential repair difficulties with the Soprod caller GMT movement.
Owners widely praise the Grand Seiko SBGM245 as a compelling mechanical GMT, blending sport and luxury with notable workmanship. Some owners find its 40.5mm case size and 14.4mm thickness wearable, while others consider it too large and prefer slimmer alternatives. The polished surfaces are noted to scratch easily, suggesting it is best suited for dressier occasions. Accuracy figures vary, with one owner reporting an average gain of two seconds per day, while others express a desire for a thinner case and a clasp with quick extension. Overall, owners rate the Grand Seiko SBGM245 highly for its mechanical GMT functionality and craftsmanship, despite some reservations about its size and scratch resistance.
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