Casio EFV-650DvsUndone Sport Speedy

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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.

Casio EFV-650D at true scale

EFV-650D

Undone Sport Speedy at true scale

Sport Speedy

Diameter

43.5mm

40mm

Lug-to-Lug

48.6mm

n/a

Thickness

11mm

n/a

Water Resistance

100m

highest

30m

MSRP

$120

lowest

$285

Movement

Quartz

Seiko VK64

Case

6 specs
Diameter
43.5mm
40mm
Thickness
11mm
n/a
Lug-to-Lug
48.6mm
n/a
Lug Width
n/a
n/a
Finish
n/a
n/a
Water Resistance
100m
30m

Crystal & Dial

3 specs
Crystal
Mineral
n/a
AR Coating
No
n/a
Dial Color
Black
n/a

Movement

1 specs
Caliber
n/a
Seiko VK64

Pricing

1 specs
MSRP
$120
$285
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Casio EFV-650D

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.

Undone Sport Speedy

Owners praise the Undone Sport Speedy's vintage chronograph aesthetic and the accuracy of its meca-quartz movement. Reviewers highlight the extensive customization options and value at $315. One owner finds the leather strap stiff and the display case back on a quartz watch unnecessary. Another reviewer notes the meca-quartz VK64 movement's pusher feel and hand reset are mechanical-like, though the movement itself is undecorated. On balance, owners and reviewers rate the Undone Sport Speedy highly for its vintage styling and customization potential at its price point.

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