Casio EFB-730DvsKnot Watches 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-40 at true scale

ATC-40

Diameter

40mm

40mm

Lug-to-Lug

47mm

n/a

Thickness

11mm

lowest

13.5mm

Water Resistance

100m

100m

Power Reserve

n/a

45h

MSRP

$165

lowest

$1,257

Movement

Quartz

Seiko NE88

Case

5 specs
Thickness
11mm
13.5mm
Lug-to-Lug
47mm
n/a
Lug Width
n/a
n/a
Material
Stainless Steel
316L Stainless Steel
Finish
n/a
n/a

Crystal & Dial

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

Movement

3 specs
Caliber
n/a
Seiko NE88
Type
Quartz
Automatic
Power Reserve
n/a
45h

Pricing

1 specs
MSRP
$165
$1,257
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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-40

Knot Watches ATC-40 owners widely praise its case finishing, with one noting Sallaz polishing that distinguishes it from competitors, and appreciate the value and craftsmanship at its price point. The watch is described as well-made with a discrete dial featuring subtle gold and silver powder, and a modern look complemented by a deep burgundy textured dial and refined mesh bracelet. While some find it wears smaller than its 40mm case size, one owner dislikes the 18mm lug width, and another notes the premium strap is stiff but well-made with a nice deployment buckle. A reviewer also points out the very small crown appears undersized and poorly placed near the bottom of the case. Overall, owners rate the Knot Watches ATC-40 highly for its craftsmanship and value, with its distinctive case finishing being a significant draw.

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