Citizen Promaster Diver AutomaticvsHeimdallr Full Steel Tuna Can Diver


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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

Full Steel Tuna Can Diver
Diameter
44mm
47mm
Thickness
n/a
14.5mm
Water Resistance
200m
200m
MSRP
$469
$149
lowest
Movement
Miyota 8204
Hangzhou 2565A
Case
4 specsCrystal & Dial
1 specsMovement
1 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.
Heimdallr Full Steel Tuna Can Dive Watch owners widely praise its excellent value, with many reporting satisfaction at the $159 price point. Some watches achieve accuracy within +-2 seconds per day, and the lume is noted as good. The bracelet is described as surprisingly comfortable despite its chunky appearance, and the watch wears smaller than its 47mm case size suggests due to a short lug-to-lug distance. However, the winding action is stiffer than average, and one owner found the included rubber strap did not fit well, causing uneven wear. Another owner noted the crown felt gritty initially but improved with use. Overall, owners rate the Heimdallr Full Steel Tuna Can Dive Watch highly for its impressive value and tool-watch functionality at the price.
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