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Aera Instruments M-1vsBiatec T. G. Masaryk

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

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M-1
Aera InstrumentsM-1
T. G. Masaryk
BiatecT. G. Masaryk
MSRP $2,214
Buy from Aera Instruments ↗
Buy used on eBay ↗
Buy from Biatec ↗
Buy used on eBay ↗

At a glance

10 of 29 specs differ
Diameter
M-139mm
T. G. Masaryk40mm
Power Reserve
M-142h
T. G. Masaryk41h
Water Resistance
M-1100m
T. G. Masaryk100m
MSRP
M-1—
T. G. Masaryk$2,214

Full specifications

Case

4 specs
Diameter
39mm
40mm
Thickness
13.14mm
11.15mm
Lug-to-Lug
47.6mm
48mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

2 specs
Dial Color
Dune
Beige
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Sellita SW216-1
Sellita SW200-1
Type
Manual
Automatic
Power Reserve
42h
41h

Pricing

1 specs
MSRP
—
—
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