Side by side
Biatec T. G. MasarykvsSeiko Prospex Sea 1968 Heritage Diver's GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
T. G. Masaryk40mm
Prospex Sea 1968 Heritage Diver's GMT42mm
Power Reserve
T. G. Masaryk41h
Prospex Sea 1968 Heritage Diver's GMT72h
Water Resistance
T. G. Masaryk100m
Prospex Sea 1968 Heritage Diver's GMT200m
MSRP
T. G. Masaryk$2,214
Prospex Sea 1968 Heritage Diver's GMT$1,500
Full specifications
Case
6 specsCategory
—
Diver
Diameter
40mm
42mm
Thickness
11.15mm
12.9mm
Lug-to-Lug
48mm
48.6mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
100m
200m
Crystal & Dial
3 specsAR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Beige
Black
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Sellita SW200-1
6R54
Power Reserve
41h
72h
Jewels
25
24
Pricing
1 specsMSRP
—
$1,500
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