Seiko 5KXvsTSAO Baltimore Bronze Torsk-Diver Pro Polar White
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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.

5KX

Bronze Torsk-Diver Pro Polar White
Diameter
42.5mm
43mm
Lug-to-Lug
46mm
lowest
50mm
Thickness
13.4mm
lowest
13.6mm
Water Resistance
100m
200m
highest
Power Reserve
41h
highest
40h
MSRP
$350
lowest
$899
Movement
Seiko 4R36
TSAO Baltimore MD-1
Case
5 specsCrystal & Dial
3 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Seiko 5KX for its strong lume and value, with many reporting accuracy within +/-5 to 10 seconds per day, though some experience +/-1 second. The 42.5mm case is noted to wear smaller, and the watch offers a comfortable feel for many. Some owners are split on the bracelet quality, with opinions ranging from "cheaper side" with hollow links to "flimsy-feeling" jubilee. A few quality control issues have been reported, including a failed bezel clickspring and misaligned components. The Seiko 5KX is seen by some as a worthy successor to the original SKX, offering an upgraded movement with hacking and hand-winding capabilities, though others lament the loss of ISO certification and a screw-down crown. Overall, owners rate the Seiko 5KX highly for its excellent lume and value proposition, making it a popular choice for everyday wear.
The TSAO Baltimore Bronze Torsk-Diver Pro Polar White is widely praised for its excellent lume and attractive 3-D dial appearance, with owners also noting its awesome overall look and excellent accuracy. Reviewers highlight its good value for the $900 price point. Some owners find the crown to be small, and one reviewer described the bezel tension as somewhat tight. The watch features a lumed sapphire bezel insert and wears well for its 43mm size due to its arcing case profile and 13.6mm thickness. Overall, owners and reviewers rate the TSAO Baltimore Bronze Torsk-Diver Pro Polar White highly for its strong value and appealing aesthetics.
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