Side by side
Biatec T. G. MasarykvsSerket Watch Co Reef Mariana
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
T. G. Masaryk40mm
Reef Mariana40mm
Power Reserve
T. G. Masaryk41h
Reef Mariana—
Water Resistance
T. G. Masaryk100m
Reef Mariana200m
MSRP
T. G. Masaryk$2,214
Reef Mariana$449
Full specifications
Case
4 specsThickness
11.15mm
13.2mm
Lug-to-Lug
48mm
47.5mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
100m
200m
Crystal & Dial
2 specsDial Color
Beige
Orange
Lume
None
BGW9
Movement
2 specsCaliber
Sellita SW200-1
Seiko NH35
Power Reserve
41h
—
Pricing
1 specsMSRP
—
$449
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