Casio EFB-730DvsHelgray Silverstone (Refurbished)
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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

Silverstone (Refurbished)
Diameter
40mm
40mm
Lug-to-Lug
47mm
47mm
Thickness
11mm
lowest
11.5mm
Water Resistance
100m
highest
50m
MSRP
$165
$150
lowest
Movement
Quartz
Seiko VK64
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 the Helgray Silverstone (Refurbished) for its attractive aesthetic, crisp printing, applied indices, legible date wheel, and solid pushers, noting amazing fit and finish for the price point. Some owners find the case feels insubstantial or light, with downward-angled lugs that can dig into the wrist, and a crystal with noticeable edge effects. The 24-hour subdial is also noted as less desirable than sub seconds by some. Overall, owners rate the Helgray Silverstone (Refurbished) highly for its aesthetic appeal and impressive build quality at its price.
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