Side by side
Seiko Astron GPS Solar 2025 Limited EditionvsBoldr The T Rex By Boldr X Nitecore
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
Astron GPS Solar 2025 Limited Edition42mm
The T Rex By Boldr X Nitecore40mm
Power Reserve
Astron GPS Solar 2025 Limited Edition40h
The T Rex By Boldr X Nitecore40h
Water Resistance
Astron GPS Solar 2025 Limited Edition100m
The T Rex By Boldr X Nitecore200m
MSRP
Astron GPS Solar 2025 Limited Edition$2,600
The T Rex By Boldr X Nitecore$499
Full specifications
Case
7 specsCategory
GMT
Diver
Diameter
42mm
40mm
Thickness
12mm
12.3mm
Lug-to-Lug
47.9mm
46mm
Lug Width
14mm
20mm
Material
Titanium
Stainless Steel
Water Resistance
100m
200m
Crystal & Dial
3 specsAR Coating
Super-clear coating
Yes
Dial Color
Black
T-Rex by BOLDR x Nitecore
Lume
LumiBrite on hands and index(es)
Super-LumiNova
Movement
3 specsCaliber
3X62
Seiko NH35A
Type
Quartz
Automatic
Jewels
10
25
Pricing
1 specsMSRP
$2,600
$499
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