Casio EFV-650DvsKnot Watches CC-39ASV
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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.

EFV-650D

CC-39ASV
Diameter
43.5mm
39mm
Lug-to-Lug
48.6mm
n/a
Thickness
11mm
9mm
lowest
Water Resistance
100m
highest
30m
MSRP
$120
lowest
$181
Movement
Quartz
Seiko YM91
Case
7 specsCrystal & Dial
3 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Casio EFV-650D for its value, costing less than half of comparable models and including illumination. The chronograph layout is noted as different from typical chronographs, which some find affects the user experience despite an attractive look. The 43.5mm case size is considered intimidating by some for smaller wrists, with one owner questioning its suitability as a first chronograph. One owner finds the watch "sick" and is considering upgrading the mineral crystal to sapphire. Overall, owners rate the Casio EFV-650D highly for its value and illumination, despite some reservations about its chronograph layout and case size.
Owners praise the Knot Watches CC-39ASV for its solid build quality, clean aesthetic, and the small seconds hand accurately hitting its markers. The watch is considered to offer superior quality compared to other brands at a similar price point. However, one owner reported poor timekeeping and a lack of customer service response. Another owner found the included strap too narrow and disliked that the "sample battery" requires sending the watch back for replacement. The mesh strap is comfortable and the watch's low weight makes it easy to wear, though the strap width is slightly undersized for standard 18mm straps. Overall, owners rate the Knot Watches CC-39ASV positively for its build quality and aesthetic, despite some concerns regarding timekeeping and strap fit.
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