Side by side

Sartory Billard SB10vsSpinnaker Bradner GMT

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

SB10
Sartory BillardSB10
MSRP $3,800
Bradner GMT
SpinnakerBradner GMT
MSRP $299

At a glance

13 of 29 specs differ
Diameter
SB1039.5mm
Bradner GMT42mm
Power Reserve
SB1055h
Bradner GMT40h
Water Resistance
SB1080m
Bradner GMT180m
MSRP
SB10$3,800
Bradner GMT$299

Full specifications

Case

7 specs
Category
Dress
GMT
Diameter
39.5mm
42mm
Thickness
11.5mm
15mm
Lug-to-Lug
44.5mm
50mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
80m
180m

Crystal & Dial

2 specs
Dial Color
Black
Brown
Lume
Super-LumiNova BGW9
None

Movement

3 specs
Caliber
LJP G100
Seiko NH34A
Power Reserve
55h
40h
Complications
Jumping Hour
None

Pricing

1 specs
MSRP
$3,800
$299

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Sartory Billard SB10

The Sartory Billard SB10 features a unique jumping hour and perimeter hour ring design, with functional grater plates that are not practical for actual grating due to a blocked-off side. Owners note the absence of a seconds hand, minute tick marks, and a conventional crystal. On balance, owners appreciate the unique design elements of the Sartory Billard SB10, despite its impractical features.

Spinnaker Bradner GMT

The Spinnaker Bradner GMT is praised for its awesome lume and comfortable wearability, with one owner noting the rubber strap is very comfortable and the beads of rice bracelet fits well on smaller wrists. Some find its 15mm thickness and bold colorway may not appeal to everyone, and one owner views it as more of a casual GMT with tool-watch styling than a diver. Overall, owners rate the Spinnaker Bradner GMT highly for its value and comfortable wearability.

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