Citizen Promaster Diver AutomaticvsSquale 1521

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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.

Promaster Diver Automatic

1521
Diameter
44mm
42mm
Thickness
n/a
12.5mm
Water Resistance
200m
500m
highest
Power Reserve
n/a
38h
MSRP
$469
lowest
$1,265
Movement
Miyota 8204
Sellita SW200-1
Case
4 specsCrystal & Dial
1 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Citizen Promaster Diver Automatic for its lightweight titanium construction, comfortable wear, and good specifications for the price. One owner highlights its accuracy and dynamic dial made from recycled materials. Some find the bezel action spongy and the bracelet subpar, with the overall finish described as basic due to the brushed titanium. A reviewer notes a slightly misaligned bezel and chapter ring, expressing a preference for sapphire crystal and ceramic bezel. Overall, owners rate the Citizen Promaster Diver Automatic highly for its lightweight titanium build and value, despite minor criticisms regarding finishing and bezel action.
Owners widely praise the Squale 1521 for its classic look and robust build, with specific mentions of its wearable 12.5mm thickness and refined case finishing. The 42mm case is noted by some to wear smaller, closer to 40mm, due to short lugs, feeling solid without being too large. However, opinions on the bracelet vary, with some finding it too flashy or stiff, and one owner reported moisture ingress after a shower due to a loose case back. The crown can be difficult to operate due to deep integration, and the 38-hour power reserve is considered old-school but reliable. Overall, owners rate the Squale 1521 highly for its classic design and wearability, despite some reservations about the bracelet and crown.
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