Casio EFB-730DvsKnot Watches CC-39
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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.

EFB-730D

CC-39
Diameter
40mm
39mm
Lug-to-Lug
47mm
n/a
Thickness
11mm
9mm
lowest
Water Resistance
100m
highest
30m
MSRP
$165
lowest
$174
Movement
Quartz
Seiko YM91
Case
7 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 EFB-730D for its 40mm size, which is considered perfect for smaller to medium wrists and versatile for strap changes with its 20mm lug width. The subtle sunburst blue dial is noted as classy and better in person than in photos, and the overall finish is considered quite good for the price. Some owners find the constantly running central seconds hand impractical, while others appreciate its straightforward Casio quartz reliability and value around $150. One owner reported the second hand sticking on the minute hand, and another found the 47mm lug-to-lug measurement wore larger than expected. Overall, owners rate the Casio EFB-730D highly for its comfortable wearability and attractive design at the price point.
The Knot Watches CC-39 is praised for its perfect 39mm fit and customizable dial and strap, with one owner finding it awesome at $35 USD for its Bauhaus-style chronograph aesthetic. Owners appreciate the cream dial and orange accents, though some find the dial busy and difficult to read initially. The watch is considered thin, measuring 13.2mm partly due to its domed crystal. One owner notes the inconvenience of a sample battery requiring a store visit for replacement and finds the 18mm strap width slightly slim for the 39mm case. On balance, owners rate the Knot Watches CC-39 highly for its unique appearance and value at the price point.
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