Casio EFB-730DvsKnot Watches ATC-40SVJRBL_LD-16SVSV-ATC-40

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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.

Casio EFB-730D at true scale

EFB-730D

Knot Watches ATC-40SVJRBL_LD-16SVSV-ATC-40 at true scale

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 specs
Thickness
11mm
13.5mm
Lug-to-Lug
47mm
n/a
Lug Width
n/a
n/a
Finish
n/a
n/a

Crystal & Dial

2 specs
AR Coating
No
n/a
Dial Color
Black
n/a

Movement

3 specs
Caliber
n/a
Seiko NE88
Type
Quartz
Automatic
Power Reserve
n/a
42h

Pricing

1 specs
MSRP
$165
$1,829
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Casio EFB-730D

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.

Knot Watches ATC-40SVJRBL_LD-16SVSV-ATC-40

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.

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