Side by side
Orologi Calamai GMT AutomaticovsSeestern S456 GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
GMT Automatico39mm
S456 GMT41mm
Power Reserve
GMT Automatico50h
S456 GMT41hh
Water Resistance
GMT Automatico50m
S456 GMT200m
MSRP
GMT Automatico—
S456 GMT$299
Full specifications
Case
7 specsCategory
—
GMT
Diameter
39mm
41mm
Thickness
10.5mm
13mm
Lug-to-Lug
47.5mm
49mm
Material
Unknown
316L Stainless Steel
Finish
Brushed and polished
Brushed + Polished
Water Resistance
50m
200m
Crystal & Dial
2 specsDial Color
Black
Sunray style, applied and Diamond cut Indices, C1 lume
Lume
None
C1
Movement
5 specsCaliber
Sellita SW330-2 Top
Seiko NH34
Beat Rate
28,800 vph
3 vph
Power Reserve
50h
41hh
Jewels
25
24
Complications
None
GMT
Pricing
1 specsMSRP
—
$299
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