Side by side
Manufaktur Waldhoff QuantumvsSeiko Astron GPS Solar 2025 Limited Edition
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
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At a glance
15 of 29 specs differDiameter
Quantum42mm
Astron GPS Solar 2025 Limited Edition43.4mm
Power Reserve
Quantum60h
Astron GPS Solar 2025 Limited Edition—
Water Resistance
Quantum30m
Astron GPS Solar 2025 Limited Edition100m
MSRP
Quantum$2,389
Astron GPS Solar 2025 Limited Edition$2,900
Full specifications
Case
6 specsCategory
—
Chronograph
Diameter
42mm
43.4mm
Thickness
11.95mm
13.4mm
Lug-to-Lug
49.8mm
49.5mm
Lug Width
22mm
14mm
Water Resistance
30m
100m
Crystal & Dial
4 specsCrystal Shape
—
Curved
AR Coating
—
Super-clear coating
Dial Color
—
—
Lume
None
LumiBrite on hands and index(es)
Movement
4 specsCaliber
Hangzhou 36K1
Seiko 5X83
Type
Manual
Quartz
Power Reserve
60h
0h
Jewels
0
14
Pricing
1 specsMSRP
$2,389
$2,900
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