Side by side

Biatec T. G. MasarykvsSeiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

At a glance

13 of 29 specs differ
Diameter
T. G. Masaryk40mm
Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition42.5mm
Power Reserve
T. G. Masaryk41h
Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition45h
Water Resistance
T. G. Masaryk100m
Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition100m
MSRP
T. G. Masaryk$2,214
Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition$3,000

Full specifications

Case

5 specs
Category
Chronograph
Diameter
40mm
42.5mm
Thickness
11.15mm
15.1mm
Lug-to-Lug
48mm
50mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Beige
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Sellita SW200-1
8R46
Power Reserve
41h
45h
Jewels
25
34

Pricing

1 specs
MSRP
$3,000
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