Side by side

Sinn 1736 St I 4NvsMarathon Steel Navigator SSNAV Auto

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

1736 St I 4N
Sinn1736 St I 4N
MSRP $2,030
Steel Navigator SSNAV Auto
MarathonSteel Navigator SSNAV Auto
MSRP $1,300
What people say

Owners + reviewers, side by side

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

Sinn 1736 St I 4N

Owners widely praise the Sinn 1736 St I 4N for its elegant silver and gold combination, minimalistic design, and smooth winding action. The watch is noted for its versatility, suitable for both dress and casual wear, with a 100m water resistance rating. Accuracy is reported as excellent, with one owner observing no time deviation over six weeks. Some owners miss a second hand and find the stock strap uncomfortable, while others note the 36mm size can wear larger than expected due to its flat profile. The community is split on the price, with some hesitant to purchase without trying it on first. Overall, owners rate the Sinn 1736 St I 4N highly for its sophisticated design and reliable timekeeping at the price.

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.

At a glance

16 of 29 specs differ
Diameter
1736 St I 4N36mm
Steel Navigator SSNAV Auto41mm
Power Reserve
1736 St I 4N42h
Steel Navigator SSNAV Auto40h
Water Resistance
1736 St I 4N100m
Steel Navigator SSNAV Auto60m
MSRP
1736 St I 4N$2,030
Steel Navigator SSNAV Auto$1,300

Full specifications

Case

9 specs
Category
Tool
Pilot
Diameter
36mm
41mm
Thickness
9mm
11.5mm
Lug-to-Lug
48mm
Lug Width
19mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
polished
Brushed and polished
Water Resistance
100m
60m
Caseback
Solid

Crystal & Dial

3 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Silver
Black

Movement

3 specs
Caliber
ETA 2892-A2
Sellita SW200-1
Power Reserve
42h
40h
Jewels
21
25

Pricing

1 specs
MSRP
$2,030
$1,300
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