Casio EFB-730DvsMaughan Jones Momentum Chrono
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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

Momentum Chrono
Diameter
40mm
42mm
Lug-to-Lug
47mm
n/a
Thickness
11mm
10.5mm
lowest
Water Resistance
100m
highest
50m
MSRP
$165
lowest
$168
Movement
Quartz
Seiko VK63
Case
5 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 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 Maughan Jones Momentum Chrono for its comfortable wearability, with one owner noting it wears smaller than expected, similar to an SKX009 on a sub-7-inch wrist, and another highlighting its soft tropic strap. The watch also receives compliments, with one owner finding it a nice-looking piece and a close homage to the Monaco. One owner notes the watch features a thick sapphire crystal and nice lume. However, one owner points out that the Maughan Jones Momentum Chrono uses a Dubois-Depraz 2045 module on an ETA 2824 movement, which can be difficult and expensive to repair due to its modular design. Overall, owners rate the Maughan Jones Momentum Chrono highly for its comfortable wearability and aesthetic appeal, with the modular movement being a point of consideration for long-term maintenance.
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