Side by side

Seestern Sub 300 V4vsMarathon Steel Navigator SSNAV-D Auto

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

Sub 300 V4
SeesternSub 300 V4
MSRP $10
Steel Navigator SSNAV-D Auto
MarathonSteel Navigator SSNAV-D Auto
MSRP $1,400

At a glance

16 of 29 specs differ
Diameter
Sub 300 V442mm
Steel Navigator SSNAV-D Auto41mm
Power Reserve
Sub 300 V441h
Steel Navigator SSNAV-D Auto40h
Water Resistance
Sub 300 V4200m
Steel Navigator SSNAV-D Auto60m
MSRP
Sub 300 V4$10
Steel Navigator SSNAV-D Auto$1,400

Full specifications

Case

7 specs
Category
Diver
Pilot
Diameter
42mm
41mm
Thickness
13mm
11mm
Lug-to-Lug
46mm
48mm
Finish
Brushed + Sandblasted
Brushed and polished
Water Resistance
200m
60m
Caseback
Solid screw-down
Solid

Crystal & Dial

3 specs
AR Coating
Underside
Inner
Dial Color
Orange
Black
Lume
Japan Lume (blue glow)
None

Movement

5 specs
Caliber
Seiko NH35A
Sellita SW220-1
Beat Rate
21,600 vph
28,800 vph
Power Reserve
41h
40h
Jewels
24
25
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$10
$1,400

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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.

Seestern Sub 300 V4

Owners widely praise the Seestern Sub 300 V4 for its terrific fit and finish and surprising little touches at its $179 price, noting top-notch case, dial, bezel, and crystal. The bracelet is considered nice enough for the price point, and the watch is powered by the solid and reliable Seiko NH35 movement. Some owners report that the polished sides of the case show signs of wear. Overall, owners rate the Seestern Sub 300 V4 highly for its excellent case, dial, and bezel finishing at the price.

Marathon Steel Navigator SSNAV-D Auto

The Marathon Steel Navigator SSNAV-D Auto is praised for its durable construction, featuring a sandblasted steel case with improved lugs, a bi-directional bezel with excellent action, and 100m water resistance. Owners appreciate the constant visibility provided by self-illuminating tritium gas tubes and the precision of its ETA F06.412 quartz movement, which offers accuracy to about 10 seconds per year. The watch includes a GMT bezel for dual timekeeping and a synthetic sapphire crystal. Overall, owners and reviewers rate the Marathon Steel Navigator SSNAV-D Auto highly for its robust tool-watch design and reliable tritium illumination.

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