Venezianico Nereide GMT Grand TourvsGrand 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.

Nereide GMT Grand Tour

SBGM245
Diameter
39mm
40.5mm
Lug-to-Lug
45.5mm
lowest
48.6mm
Thickness
11.9mm
lowest
14.4mm
Water Resistance
100m
200m
highest
Power Reserve
n/a
72h
MSRP
$1,158
lowest
$6,100
Movement
Miyota 9075
Grand Seiko 9S66
Case
4 specsCrystal & Dial
1 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Venezianico Nereide GMT Grand Tour for its beauty in person, with many finding its dial and bezel more refined than online photos suggest. The 39mm Italian-made case, sapphire crystal with AR coating, and comfortable bracelet are frequently highlighted as strengths, contributing to its appeal as a travel watch. One owner reported accuracy of +-2 seconds per day. Some owners wish the watch were thinner, and one noted a butterfly clasp that opened while swimming. The price is considered steep by some, though others feel it offers good value for the quality, especially compared to alternatives. Overall, owners rate the Venezianico Nereide GMT Grand Tour highly for its striking aesthetics and comfortable wearability at its price point.
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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