Casio Edifice EFR-S108DvsGrand Seiko SBGV239
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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.

Edifice EFR-S108D

SBGV239
Diameter
39.9mm
40mm
Lug-to-Lug
44.8mm
lowest
46.2mm
Thickness
7.8mm
lowest
10.4mm
Water Resistance
100m
100m
MSRP
n/a
$3,100
Movement
Casio module 5359
Grand Seiko 9F82
Case
4 specsCrystal & Dial
3 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Casio Edifice EFR-S108D for its exceptional value, slim 7.8mm case, and sapphire crystal, with many highlighting its attractive octagonal design and clean finishing. The watch is described as light, robust, versatile, and classy, with a blue dial that stands out, making it an affordable and well-executed everyday wear. Some owners note the lume is less impressive than other Casio models and wish for an automatic version or more bracelet options, with one owner finding the lug width restrictive for bracelets. Overall, owners rate the Casio Edifice EFR-S108D highly for its impressive value and slim, attractive design.
The Grand Seiko SBGV239 is widely praised for its exceptional finishing, which exceeds expectations, and its dial, which pops even in low light conditions. Owners highlight the superb timekeeping of the 9F Quartz movement and the comfortable 40mm diameter. The deep blue dial is noted for its ability to appear black. Overall, owners rate the Grand Seiko SBGV239 highly for its impressive finishing and accurate quartz movement.
The 9F quartz movement's exceptional accuracy is a key strength. The slim profile of the watch is also a notable feature.
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