Side by side
Sartory Billard SB04vsSpinnaker Bradner GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
SB0440mm
Bradner GMT42mm
Power Reserve
SB0440h
Bradner GMT40h
Water Resistance
SB0430m
Bradner GMT180m
MSRP
SB04$2,900
Bradner GMT$299
Full specifications
Case
7 specsCategory
Dress
GMT
Diameter
40mm
42mm
Thickness
11.5mm
15mm
Lug-to-Lug
45.5mm
50mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
30m
180m
Crystal & Dial
2 specsAR Coating
Yes
Inner
Dial Color
Black
Brown
Movement
1 specsCaliber
LJP G100
Seiko NH34A
Pricing
1 specsMSRP
$2,900
$299
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