Citizen ATTESA Platinum ShinevsSeiko Astron
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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.

ATTESA Platinum Shine

Astron
Diameter
40.6mm
42mm
Lug-to-Lug
n/a
49.5mm
Thickness
n/a
12.4mm
Water Resistance
100m
100m
MSRP
$1,095
lowest
$2,500
Movement
Citizen H145
Seiko 5X83
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.
The Citizen ATTESA Platinum Shine is praised for its crystallized titanium construction, featuring unique natural crystal patterns on the bracelet's center link. Its Super Titanium™ case and bracelet are treated with Duratect Platinum, offering a bright silver color, complemented by a Duratect DLC bezel. The dial and hands are designed to resemble a luminous full moon. This model is limited to 1,400 pieces worldwide. Overall, owners rate the Citizen ATTESA Platinum Shine highly for its striking crystallized titanium finishing and unique moon-themed dial.
Owners widely praise the Seiko Astron for its lightweight titanium construction, comfortable wear, and attractive, dynamic dials with high-contrast markers. The GPS time synchronization and solar-powered quartz movement are highlighted as convenient, self-sufficient features, making it a good grab-and-go option. Some owners report accuracy figures around +/- 15 seconds per month, while others note improvements with newer movements. Criticisms include manual DST adjustments on some models, minimal lume, and concerns about water resistance on models with pop-on casebacks and push-pull crowns. The price point is also a consideration for some, with opinions divided on its value compared to luxury or mechanical alternatives. Overall, owners and reviewers find the Seiko Astron to be a technologically impressive and well-built watch, with its convenience and design being key selling points.
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