Side by side

Marathon Steel Navigator SSNAV AutovsSartory Billard SB10

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

Steel Navigator SSNAV Auto
MarathonSteel Navigator SSNAV Auto
MSRP $1,300
SB10
Sartory BillardSB10
MSRP $3,800

At a glance

10 of 29 specs differ
Diameter
Steel Navigator SSNAV Auto41mm
SB1039.5mm
Power Reserve
Steel Navigator SSNAV Auto40h
SB1055h
Water Resistance
Steel Navigator SSNAV Auto60m
SB1080m
MSRP
Steel Navigator SSNAV Auto$1,300
SB10$3,800

Full specifications

Case

5 specs
Category
Pilot
Dress
Diameter
41mm
39.5mm
Lug-to-Lug
48mm
44.5mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
60m
80m

Crystal & Dial

1 specs
Lume
None
Super-LumiNova BGW9

Movement

3 specs
Caliber
Sellita SW200-1
LJP G100
Power Reserve
40h
55h
Complications
None
Jumping Hour

Pricing

1 specs
MSRP
$1,300
$3,800

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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.

Marathon Steel Navigator SSNAV Auto

The Marathon Steel Navigator SSNAV Auto is praised for its high-accuracy quartz movement, with owners noting its comfort and reliable performance. Reviewers highlight its functional tool-watch appeal, featuring a sandblasted steel case, tritium tubes for constant low-light visibility, and 100-meter water resistance. One owner finds the 41mm case runs a bit small. The Marathon Steel Navigator SSNAV Auto utilizes an ETA F06.412 quartz movement with a claimed accuracy of +/- 10 seconds per year and includes a GMT bidirectional bezel. Overall, owners and reviewers rate the Marathon Steel Navigator SSNAV Auto highly for its comfortable wear and dependable, high-accuracy quartz movement.

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.

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