Side by side

Marathon TSAR (Tritium Search & Rescue) Diver's QuartzvsSternglas Naos Solar

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

TSAR (Tritium Search & Rescue) Diver's Quartz
MarathonTSAR (Tritium Search & Rescue) Diver's Quartz
MSRP $1,550
Naos Solar
SternglasNaos Solar
MSRP $323

At a glance

13 of 29 specs differ
Diameter
TSAR (Tritium Search & Rescue) Diver's Quartz46mm
Naos Solar38mm
Power Reserve
TSAR (Tritium Search & Rescue) Diver's Quartz40h
Naos Solar
Water Resistance
TSAR (Tritium Search & Rescue) Diver's Quartz300m
Naos Solar50m
MSRP
TSAR (Tritium Search & Rescue) Diver's Quartz$1,550
Naos Solar$323

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
46mm
38mm
Thickness
14mm
10mm
Lug-to-Lug
48mm
42mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
50m

Crystal & Dial

2 specs
Dial Color
Black
Lume
None
Luminova Punkten

Movement

4 specs
Caliber
Swiss High-Torque Quartz
Seiko VJ76
Type
Quartz
Solar
Power Reserve
40h
Jewels
25

Pricing

1 specs
MSRP
$1,550
$323

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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 TSAR (Tritium Search & Rescue) Diver's Quartz

Owners widely praise the Marathon TSAR (Tritium Search & Rescue) Diver's Quartz for its ISO 6425 certification and practical, everyday wearability, with one owner noting the movement sets and ticks fine with expected quartz accuracy. The bezel and crystal are also described as great. One owner reports the 41mm TSAR wears small and has a field watch aesthetic, while another notes the TSAR Medium, listed at 12mm thick, visually appears thicker. Overall, owners rate the Marathon TSAR (Tritium Search & Rescue) Diver's Quartz highly for its robust build and practical design.

Sternglas Naos Solar

Owners widely praise the Sternglas Naos Solar for its elegant Bauhaus-inspired minimalist dial, slim profile, and value for money. The scratch-resistant curved sapphire crystal and functional date mechanism are noted as durable features, with one owner reporting good wear over a year. The solar power and accuracy are highlighted as practical advantages over automatic movements, which some find loud. However, opinions are split, with some owners finding the watch underwhelming and cheap-looking, like a toy, while others love its appearance in person and its clean, appealing design as a smartwatch alternative. The stock leather strap is described as decent but basic and potentially short for larger wrists, with one owner advising a third-party replacement for durability. One owner of a different variant noted the date font is too small to be useful.

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