Casio EFB-730DvsCharlie Paris Watches GRX - Chronographe (39mm mecaquartz)
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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.

EFB-730D

GRX - Chronographe (39mm mecaquartz)
Diameter
40mm
39mm
Lug-to-Lug
47mm
n/a
Thickness
11mm
10.9mm
lowest
Water Resistance
100m
100m
MSRP
$165
lowest
$645
Movement
Quartz
Seiko VK64
Case
5 specsCrystal & Dial
2 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Casio EFB-730D for its 40mm size, which is considered perfect for smaller to medium wrists and versatile for strap changes with its 20mm lug width. The subtle sunburst blue dial is noted as classy and better in person than in photos, and the overall finish is considered quite good for the price. Some owners find the constantly running central seconds hand impractical, while others appreciate its straightforward Casio quartz reliability and value around $150. One owner reported the second hand sticking on the minute hand, and another found the 47mm lug-to-lug measurement wore larger than expected. Overall, owners rate the Casio EFB-730D highly for its comfortable wearability and attractive design at the price point.
Owners widely praise the Charlie Paris Watches GRX - Chronographe (39mm mecaquartz) for its appealing design and 39mm case size, with one owner calling it a perfect GADA watch. Reviewers note its solid metal construction and sapphire crystal contribute to a premium ownership experience for the price. However, some owners report the stainless steel case scratches easily, and one experienced a broken link after three months. The lume is described as moderately bright and long-lasting compared to dive watches, and the domed sapphire crystal can create reflections. Accuracy figures vary, with one owner reporting about 40 seconds slow per day and another noting consistently accurate quartz timekeeping. Overall, owners and reviewers rate the Charlie Paris Watches GRX - Chronographe (39mm mecaquartz) well for its design and value, despite some concerns about case durability and crystal reflections.
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