Side by side

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

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 Großdatum
SternglasNaos Großdatum
MSRP $323

At a glance

12 of 29 specs differ
Diameter
TSAR (Tritium Search & Rescue) Diver's Quartz46mm
Naos Großdatum38mm
Power Reserve
TSAR (Tritium Search & Rescue) Diver's Quartz40h
Naos Großdatum
Water Resistance
TSAR (Tritium Search & Rescue) Diver's Quartz300m
Naos Großdatum50m
MSRP
TSAR (Tritium Search & Rescue) Diver's Quartz$1,550
Naos Großdatum$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

3 specs
Caliber
Swiss High-Torque Quartz
Seiko VJ76
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 Großdatum

The Sternglas Naos Großdatum is praised for its Bauhaus aesthetic and value, with one owner finding it an affordable alternative to other designs. However, some owners report it feels underwhelming and cheap, with a printed-on face, small font, and toy-like hands, and find the strap to be of poor quality. The watch features a 38mm stainless steel case, an Alabaster dial with beige LumiNova, and a Seiko TMI VJ76 quartz movement rated for -20/+20 seconds per month. On balance, owners and reviewers are divided, with the primary point of contention being the perceived quality and aesthetic execution of the Sternglas Naos Großdatum.

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