Side by side
Biatec T. G. MasarykvsSeestern S456 GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
T. G. Masaryk40mm
S456 GMT41mm
Power Reserve
T. G. Masaryk41h
S456 GMT41hh
Water Resistance
T. G. Masaryk100m
S456 GMT200m
MSRP
T. G. Masaryk$2,214
S456 GMT$299
Full specifications
Case
6 specsCategory
—
GMT
Diameter
40mm
41mm
Thickness
11.15mm
13mm
Lug-to-Lug
48mm
49mm
Finish
Brushed and polished
Brushed + Polished
Water Resistance
100m
200m
Crystal & Dial
2 specsDial Color
Beige
Sunray style, applied and Diamond cut Indices, C1 lume
Lume
None
C1
Movement
5 specsCaliber
Sellita SW200-1
Seiko NH34
Beat Rate
28,800 vph
3 vph
Power Reserve
41h
41hh
Jewels
25
24
Complications
None
GMT
Pricing
1 specsMSRP
—
$299
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