Side by side

Marathon Steel Navigator SSNAV QuartzvsPhoibos Reef Master

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

Steel Navigator SSNAV Quartz
MarathonSteel Navigator SSNAV Quartz
MSRP $1,000
Reef Master
PhoibosReef Master
MSRP $335

At a glance

12 of 29 specs differ
Diameter
Steel Navigator SSNAV Quartz41mm
Reef Master42mm
Power Reserve
Steel Navigator SSNAV Quartz40h
Reef Master40h
Water Resistance
Steel Navigator SSNAV Quartz60m
Reef Master200m
MSRP
Steel Navigator SSNAV Quartz$1,000
Reef Master$335

Full specifications

Case

6 specs
Category
Pilot
Diver
Diameter
41mm
42mm
Thickness
11mm
13mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
60m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Black
Green
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
Swiss High-Torque Quartz
SII NH38
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$1,000
$335

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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 Quartz

The Marathon Steel Navigator SSNAV Quartz is widely praised for its highly accurate Swiss Made ETA F06.412 PreciDrive movement, with stated accuracy of ±10 seconds per year, and its constant low-light visibility from self-illuminating tritium tubes. Owners find the watch comfortable and impressive, noting its 41mm sandblasted steel case with an asymmetrical design, bi-directional GMT bezel with excellent action, sapphire crystal, and 100m water resistance with a screw-down crown. On balance, owners and reviewers rate the Marathon Steel Navigator SSNAV Quartz highly for its robust tool watch design and exceptional accuracy at its price point.

Phoibos Reef Master

Owners widely praise the Phoibos Reef Master for its exceptional value, highlighting its sapphire crystal, DLC coating, and extensive BGW9 lume. The watch is noted for its cool lume, with one owner finding it not bulky despite its robust build. The Shamrock Green dial and texture are highly praised, as is the comfortable bracelet with solid end links. However, the bezel action is described as rough, and the basic folding clasp is a disappointment. Accuracy is reported as excellent, with one owner seeing +-2 sec/day. Some find the 42mm size almost too big for their wrists, and the date window is considered too small. Overall, owners rate the Phoibos Reef Master highly for its impressive feature set and value at its price point.

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