CWC G40 Sonar QuartzvsSternglas Sedius
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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.

G40 Sonar Quartz

Sedius
Diameter
40mm
40mm
Lug-to-Lug
46mm
lowest
47mm
Thickness
12mm
8mm
lowest
Water Resistance
200m
highest
50m
MSRP
$333
$301
lowest
Movement
Ronda 715Li
Seiko VH31
Case
4 specsCrystal & Dial
3 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the CWC G40 Sonar Quartz Watch for its clean dial, new numeral font, subtle broad arrow, and tan lume, with many appreciating its 40mm size as comfortable and well-wearing. Reviewers and owners alike highlight its light, rugged, reliable, and legible nature, powered by a precise Swiss Ronda quartz movement, and note positives like the domed crystal and 7-year battery life. Some owners find the dial proportions off due to negative space, while others criticize the lack of a battery hatch, a large crown that can dig into the wrist, and a high price point that makes its value less competitive. On balance, owners and reviewers rate the CWC G40 Sonar Quartz Watch highly for its classic design and robust tool watch functionality at the price.
The Sternglas Sedius is widely praised for its harmonious blend of Bauhaus minimalism and Art Deco elegance, offering excellent value with a pleasing wearability due to its case shape and slender lugs. Owners and reviewers highlight the smooth-sweeping seconds hand from the Seiko VH31 meca-quartz movement and the double-domed sapphire crystal. Legibility is crisp on the blue-on-white dial, though some find the black dial variant less so. The Sternglas Sedius is considered an affordable, classy, and trendy option for those seeking a sector dial watch with a good price-performance ratio, though it lacks a date complication. Overall, owners and reviewers rate the Sternglas Sedius highly for its aesthetic appeal and strong value proposition.
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