Side by side
Seiko Astron GPS Solar 2025 Limited EditionvsStraton Straton Classic Driver MKII
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
18 of 29 specs differDiameter
Astron GPS Solar 2025 Limited Edition43.4mm
Straton Classic Driver MKII40mm
Power Reserve
Astron GPS Solar 2025 Limited Edition40h
Straton Classic Driver MKII—
Water Resistance
Astron GPS Solar 2025 Limited Edition100m
Straton Classic Driver MKII200m
MSRP
Astron GPS Solar 2025 Limited Edition$2,900
Straton Classic Driver MKII$299
Full specifications
Case
8 specsDiameter
43.4mm
40mm
Thickness
13.4mm
12.5mm
Lug-to-Lug
49.5mm
48mm
Lug Width
14mm
20mm
Material
Titanium
316L Stainless Steel
Finish
Brushed and polished
—
Water Resistance
100m
200m
Caseback
Solid
—
Crystal & Dial
5 specsCrystal Shape
Curved
—
AR Coating
Super-clear coating
Yes
Dial Color
Black
—
Indices
Applied
—
Lume
LumiBrite on hands and index(es)
None
Movement
4 specsCaliber
5X83
Miyota 6S21
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
14
0
Pricing
1 specsMSRP
$2,900
$299
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