Side by side
Bremont VulcanvsSeiko Astron GPS Solar 2025 Limited Edition
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Vulcan42mm
Astron GPS Solar 2025 Limited Edition42mm
Power Reserve
Vulcan40h
Astron GPS Solar 2025 Limited Edition40h
Water Resistance
Vulcan—
Astron GPS Solar 2025 Limited Edition100m
MSRP
Vulcan$5,150
Astron GPS Solar 2025 Limited Edition$2,600
Full specifications
Case
6 specsCategory
Pilot
GMT
Thickness
14.9mm
12mm
Lug-to-Lug
—
47.9mm
Lug Width
20mm
14mm
Material
Stainless Steel
Titanium
Water Resistance
—
100m
Crystal & Dial
3 specsAR Coating
Inner
Super-clear coating
Dial Color
Regular length (15cm - 19cm wrist size)
Black
Lume
None
LumiBrite on hands and index(es)
Movement
3 specsCaliber
—
3X62
Type
Automatic
Quartz
Jewels
25
10
Pricing
1 specsMSRP
$5,150
$2,600
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