Side by side
Boldr BlastoisevsSeiko 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
Blastoise40mm
Astron GPS Solar 2025 Limited Edition42mm
Power Reserve
Blastoise40h
Astron GPS Solar 2025 Limited Edition40h
Water Resistance
Blastoise200m
Astron GPS Solar 2025 Limited Edition100m
MSRP
Blastoise$449
Astron GPS Solar 2025 Limited Edition$2,600
Full specifications
Case
6 specsCategory
Diver
GMT
Diameter
40mm
42mm
Lug-to-Lug
49.5mm
47.9mm
Lug Width
20mm
14mm
Material
Stainless Steel
Titanium
Water Resistance
200m
100m
Crystal & Dial
3 specsAR Coating
Inner
Super-clear coating
Dial Color
Blastoise
Black
Lume
Super-LumiNova
LumiBrite on hands and index(es)
Movement
3 specsCaliber
Seiko (SII) NH37
3X62
Type
Automatic
Quartz
Jewels
25
10
Pricing
1 specsMSRP
$449
$2,600
Follow this matchup
Get a note when Boldr Blastoise vs Seiko Astron GPS Solar 2025 Limited Edition gets more votes, a community discussion, or a price drop. No account needed.
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Boldr CharizardvsSeiko Astron GPS Solar 2025 Limited EditionBaltic Aquascaphe ClassicvsSeiko Astron GPS Solar 2025 Limited EditionBaltic Aquascaphe Dual-CrownvsSeiko Astron GPS Solar 2025 Limited EditionBaltic Aquascaphe BronzevsSeiko Astron GPS Solar 2025 Limited EditionBoldr BlastoisevsMarathon Steel Navigator SSNAV-D QuartzBoldr BlastoisevsDan Henry 1963