Side by side
Biatec T. G. MasarykvsGrand Seiko SLGW004
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
SLGW00438.8mm
Power Reserve
T. G. Masaryk41h
SLGW00480h
Water Resistance
T. G. Masaryk100m
SLGW00430m
MSRP
T. G. Masaryk$2,214
SLGW004$30,000
Full specifications
Case
7 specsCategory
—
Dress
Diameter
40mm
38.8mm
Thickness
11.15mm
10.4mm
Lug-to-Lug
48mm
43.7mm
Lug Width
20mm
19mm
Material
316L Stainless Steel
Gold
Water Resistance
100m
30m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Dial Color
Beige
Black
Movement
3 specsCaliber
Sellita SW200-1
9SA4
Type
Automatic
Manual
Power Reserve
41h
80h
Pricing
1 specsMSRP
—
$30,000
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
Follow this matchup
Get a note when Biatec T. G. Masaryk vs Grand Seiko SLGW004 gets more votes, a community discussion, or a price drop. No account needed.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Feynman Timekeepers CoalescevsGrand Seiko SLGW004Beaucroft Watches PenfoldvsGrand Seiko SLGW004Maen Manhattan 37 IFL EditionvsGrand Seiko SLGW004Meridiano Watches Lost AstronautvsGrand Seiko SLGW004Biatec T. G. MasarykvsanOrdain Model 1 (Group Buy)Biatec T. G. MasarykvsanOrdain Model 1 Precious Metal














