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Biatec T. G. MasarykvsGrand Seiko SBGA427

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

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T. G. Masaryk
BiatecT. G. Masaryk
MSRP $2,214
SBGA427
Grand SeikoSBGA427
MSRP $5,800
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Buy used on eBay ↗
Buy from Grand Seiko ↗
Buy used on eBay ↗

At a glance

12 of 29 specs differ
Diameter
T. G. Masaryk40mm
SBGA42739mm
Power Reserve
T. G. Masaryk41h
SBGA42772h
Water Resistance
T. G. Masaryk100m
SBGA427100m
MSRP
T. G. Masaryk$2,214
SBGA427$5,800

Full specifications

Case

6 specs
Category
—
Dress
Diameter
40mm
39mm
Thickness
11.15mm
12.3mm
Lug-to-Lug
48mm
46.8mm
Lug Width
20mm
19mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Beige
Black

Movement

3 specs
Caliber
Sellita SW200-1
9R65
Type
Automatic
Spring Drive
Power Reserve
41h
72h

Pricing

1 specs
MSRP
—
$5,800
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