Side by side

Marathon TSAR (Tritium Search & Rescue) Diver's QuartzvsSeiko Coutura

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
Coutura
SeikoCoutura
MSRP $550

At a glance

9 of 29 specs differ
Diameter
TSAR (Tritium Search & Rescue) Diver's Quartz46mm
Coutura42mm
Power Reserve
TSAR (Tritium Search & Rescue) Diver's Quartz40h
Coutura40h
Water Resistance
TSAR (Tritium Search & Rescue) Diver's Quartz300m
Coutura100m
MSRP
TSAR (Tritium Search & Rescue) Diver's Quartz$1,550
Coutura$550

Full specifications

Case

6 specs
Category
Diver
Chronograph
Diameter
46mm
42mm
Thickness
14mm
11.8mm
Lug-to-Lug
48mm
50.2mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

1 specs
Lume
None
LumiBrite on hands and index(es)

Movement

1 specs
Caliber
Swiss High-Torque Quartz
8T63

Pricing

1 specs
MSRP
$1,550
$550

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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.

Seiko Coutura

Owners widely praise the Seiko Coutura for its wear-resistant metal treatments, with one reporting minimal scratching after six years. The solar perpetual calendar and radio-controlled accuracy are noted as appealing features, alongside its attractive aesthetic and quality for the price. However, some find the design too busy, gaudy, or not suitable for daily wear, with mixed opinions on the proprietary bracelet. One owner flagged the solar power reserve as problematic, requiring constant light exposure. Overall, owners appreciate the Seiko Coutura for its functional solar and radio-controlled movement and durable build, despite some polarizing design elements.

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