Casio EFB-730DvsSmiths PRS-40 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.

Casio EFB-730D at true scale

EFB-730D

Smiths PRS-40 Chronograph at true scale

PRS-40 Chronograph

Diameter

40mm

40.2mm

Lug-to-Lug

47mm

lowest

53.5mm

Thickness

11mm

lowest

12.3mm

Water Resistance

100m

100m

MSRP

$165

n/a

Movement

Quartz

Seiko VK61

Case

5 specs
Diameter
40mm
40.2mm
Thickness
11mm
12.25mm
Lug-to-Lug
47mm
53.5mm
Lug Width
n/a
22mm
Finish
n/a
n/a

Crystal & Dial

2 specs
AR Coating
No
n/a
Lume
None
SuperLuminova

Movement

2 specs
Caliber
n/a
Seiko VK61
Type
Quartz
Meca-Quartz

Pricing

1 specs
MSRP
$165
n/a
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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.

Smiths PRS-40 Chronograph

Owners praise the Smiths PRS-40 CHRONOGRAPH's bead-blasted finish, noting it shows light marks from use but no deep scratches, and appreciate its sapphire crystal. Some find it wears thinner than automatic variants, while others note it wears large. The watch is described as having unique, "badass" looks, with one owner calling it "ugly" but appreciating its "bombproof nature" for harsh environments and its 12 o'clock crown. The purchase process is noted as tricky due to limited availability. On balance, owners rate the Smiths PRS-40 CHRONOGRAPH highly for its robust, utilitarian design and bead-blasted finish, making it a compelling tool watch.