Side by side
Manufaktur Waldhoff QuantumvsSeestern S446 GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
16 of 29 specs differDiameter
Quantum42mm
S446 GMT39.5mm
Power Reserve
Quantum60h
S446 GMT41hh
Water Resistance
Quantum30m
S446 GMT100m
MSRP
Quantum$2,389
S446 GMT$299
Full specifications
Case
7 specsCategory
—
GMT
Diameter
42mm
39.5mm
Thickness
11.95mm
13mm
Lug-to-Lug
49.8mm
47mm
Lug Width
—
20mm
Material
Titanium
316L Stainless Steel
Water Resistance
30m
100m
Crystal & Dial
2 specsCrystal Shape
Flat
Domed
Dial Color
—
Cream
Movement
6 specsCaliber
Hangzhou 36K1
Seiko NH34A GMT
Type
Manual
Automatic
Beat Rate
28,800 vph
3 vph
Power Reserve
60h
41hh
Jewels
25
24
Complications
None
GMT, Date
Pricing
1 specsMSRP
$2,389
$299
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