Side by side
Biatec T. G. MasarykvsChristopher Ward C63 Sealander 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
T. G. Masaryk40mm
C63 Sealander GMT42mm
Power Reserve
T. G. Masaryk41h
C63 Sealander GMT56h
Water Resistance
T. G. Masaryk100m
C63 Sealander GMT150m
MSRP
T. G. Masaryk$2,214
C63 Sealander GMT$1,675
Full specifications
Case
9 specsCategory
—
GMT
Diameter
40mm
42mm
Thickness
11.15mm
11.5mm
Lug-to-Lug
48mm
48.5mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Brushed + Polished + Sandblasted
Water Resistance
100m
150m
Caseback
Solid
Display
Crystal & Dial
2 specsDial Color
Beige
Blue
Lume
None
SLN X1 BL C1
Movement
4 specsCaliber
Sellita SW200-1
SW330
Beat Rate
28,800 vph
4 vph
Power Reserve
41h
56h
Complications
None
GMT, Moonphase, Day-date
Pricing
1 specsMSRP
—
$1,675
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
Follow this matchup
Get a note when Biatec T. G. Masaryk vs Christopher Ward C63 Sealander GMT gets more votes, a community discussion, or a price drop. No account needed.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Christopher Ward C63 Sealander GMTvsFeynman Timekeepers CoalesceChristopher Ward C63 Sealander GMTvsMaen Manhattan 37 IFL EditionBeaufort Permian RiftvsChristopher Ward C63 Sealander GMTChristopher Ward C63 Sealander GMTvsLucky Harvey Chiming HorseBiatec T. G. MasarykvsChristopher Ward C65 Aquitaine GMTBiatec T. G. MasarykvsGruppo Gamma Field III GMT Date