Casio EFB-730DvsSeiko Spirit Chronograph
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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

Spirit Chronograph
Diameter
40mm
38.5mm
Lug-to-Lug
47mm
46mm
lowest
Thickness
11mm
9.6mm
lowest
Water Resistance
100m
100m
MSRP
$165
n/a
Movement
Quartz
Seiko 7T92
Case
6 specsCrystal & Dial
6 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 Seiko Spirit Chronograph SBTQ045 for its beautiful wine-red dial, which shines in sunlight, and its compact 38.5mm case size, with one owner noting it is under 10mm thick. It is considered a great value, with prices around $100-$110 for this Japanese domestic market model. However, one owner finds the included folded-link bracelet to be cheap. Overall, owners rate the Seiko Spirit Chronograph SBTQ045 highly for its stunning dial and affordable price point.
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