Side by side
Resco Custom C1: Stainless Gen2 GMT, Stealth dial (orange GMT hand)vsSeiko 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
12 of 29 specs differDiameter
Custom C1: Stainless Gen2 GMT, Stealth dial (orange GMT hand)42mm
Astron GPS Solar 2025 Limited Edition43.4mm
Power Reserve
Custom C1: Stainless Gen2 GMT, Stealth dial (orange GMT hand)40h
Astron GPS Solar 2025 Limited Edition40h
Water Resistance
Custom C1: Stainless Gen2 GMT, Stealth dial (orange GMT hand)100m
Astron GPS Solar 2025 Limited Edition100m
MSRP
Custom C1: Stainless Gen2 GMT, Stealth dial (orange GMT hand)$1,705
Astron GPS Solar 2025 Limited Edition$2,900
Full specifications
Case
6 specsCategory
—
Chronograph
Diameter
42mm
43.4mm
Thickness
12mm
13.4mm
Lug-to-Lug
46mm
49.5mm
Lug Width
20mm
14mm
Material
Stainless Steel
Titanium
Crystal & Dial
3 specsCrystal Shape
Flat
Curved
AR Coating
Inner
Super-clear coating
Lume
None
LumiBrite on hands and index(es)
Movement
2 specsCaliber
Ronda 515
5X83
Jewels
25
14
Pricing
1 specsMSRP
$1,705
$2,900
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