Casio EFV-650DvsJack Mason Halyard Sport 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.

EFV-650D

Halyard Sport Chronograph
Diameter
43.5mm
42mm
Lug-to-Lug
48.6mm
n/a
Thickness
11mm
n/a
Water Resistance
100m
100m
MSRP
$120
lowest
$329
Movement
Quartz
Miyota OS20
Case
5 specsCrystal & Dial
2 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 widely praise the Jack Mason Halyard Sport Chronograph's attractive blue dial and comfortable wearability, with one owner finding it their favorite watch. At sale prices around $90, many consider it a good value, noting its sapphire crystal and 100m water resistance. Some owners, however, feel the watch is overpriced at full retail and have noted concerns about build quality, such as misaligned hands or sharp edges, and one owner reported a watch falling apart and poor customer service. Overall, owners value the Jack Mason Halyard Sport Chronograph for its appealing design and good value when purchased on sale.
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