Casio EFR-539DvsDryden Chrono Diver Series 1

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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 EFR-539D at true scale

EFR-539D

Dryden Chrono Diver Series 1 at true scale

Chrono Diver Series 1

Diameter

49.5mm

42mm

Lug-to-Lug

54.1mm

49mm

lowest

Thickness

11.7mm

lowest

13.5mm

Water Resistance

100m

101m

highest

MSRP

$155

lowest

$349

Movement

Quartz

Quartz

Case

6 specs
Diameter
49.5mm
42mm
Thickness
11.7mm
13.5mm
Lug-to-Lug
54.1mm
49mm
Lug Width
n/a
22mm
Finish
n/a
n/a
Water Resistance
100m
101m

Crystal & Dial

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

Movement

2 specs
Caliber
n/a
n/a
Power Reserve
n/a
0h

Pricing

1 specs
MSRP
$155
$349
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Reviews

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

Casio EFR-539D

Owners widely praise the Casio EFR-539D for its enduring popularity and reliability, with several users confirming the hands accurately align with the indices. Some owners note the bracelet and clasp feel light. Overall, owners rate the Casio EFR-539D highly for its strong quality-to-cost ratio.

Dryden Chrono Diver Series 1

The Dryden Chrono Diver Series 1 is a 42mm mechaquartz chronograph with a sapphire crystal and 100m water resistance. Owners note that the chronograph hand may not reset perfectly to zero, a characteristic of the VK63 movement. The case features polished chamfers on the upper lugs, and the watch utilizes Swiss Superluminova BGW9. It has been listed for sale at prices ranging from $150 to $255 and includes two straps. Overall, owners appreciate the Dryden Chrono Diver Series 1 for its classic design and value, despite the common VK63 chronograph reset quirk.

From video reviewers

The Seiko VK63 mechaquartz movement is a shared strength, noted for its instant reset and sweeping chronograph hand. The bezel action and water resistance were considered standard for the price point.

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