Casio EFB-730DvsKnot Watches TSC-39RGGR
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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

TSC-39RGGR
Diameter
40mm
39mm
Lug-to-Lug
47mm
n/a
Thickness
11mm
lowest
11.5mm
Water Resistance
100m
100m
MSRP
$165
lowest
$205
Movement
Quartz
Seiko VS72
Case
6 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 Knot Watches TSC-39RGGR for its attractive price and finishing, with one owner noting it is comparable to higher-end Seiko models. One owner finds the lugs on the 39mm case to be a bit thick, potentially compromising the watch's proportions. Another owner expressed disappointment with the strap and the quality of the engraving. On balance, owners rate the Knot Watches TSC-39RGGR positively for its value and finishing, despite some concerns about strap quality and lug proportions.
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