Casio EFB-730DvsKnot Watches ATC-40SVJRBL_LD-16SVSV-ATC-40
lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links are affiliate links: lug2lug may earn a commission at no extra cost to you. Disclosures
Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

EFB-730D

ATC-40SVJRBL_LD-16SVSV-ATC-40
Diameter
40mm
40mm
Lug-to-Lug
47mm
n/a
Thickness
11mm
lowest
13.5mm
Water Resistance
100m
100m
Power Reserve
n/a
42h
MSRP
$165
lowest
$1,829
Movement
Quartz
Seiko NE88
Case
4 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 Knot's straps for their unique Japanese fabrics and quick-release buckles. One owner notes the dial features subtle gold and silver powder. The bracelet clasp is described as unusual, and the LD16 Smart Fit bracelet lacks micro-adjustability. Some owners find the 40mm case size too large, with one preferring a 38mm variant for a better fit. On balance, owners appreciate Knot Watches ATC-40SVJRBL_LD-16SVSV-ATC-40 for its strap options and unique dial details, though case sizing is a point of contention for some.
Similar watches
Matched to the watches above on size, movement, style and price, microbrands first. Open any one to dig in.
Also compared
Comparisons nearby in the catalog: alternatives to the watches above paired against the matchup.








