Side by side

Marathon TSAR (Tritium Search & Rescue) Diver's QuartzvsGrand Seiko SBGX355

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
SBGX355
Grand SeikoSBGX355
MSRP $4,100

At a glance

10 of 29 specs differ
Diameter
TSAR (Tritium Search & Rescue) Diver's Quartz46mm
SBGX35537mm
Power Reserve
TSAR (Tritium Search & Rescue) Diver's Quartz40h
SBGX35540h
Water Resistance
TSAR (Tritium Search & Rescue) Diver's Quartz300m
SBGX355100m
MSRP
TSAR (Tritium Search & Rescue) Diver's Quartz$1,550
SBGX355$4,100

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
46mm
37mm
Thickness
14mm
10.6mm
Lug-to-Lug
48mm
44.6mm
Lug Width
20mm
19mm
Material
316L Stainless Steel
Titanium
Water Resistance
300m
100m

Crystal & Dial

1 specs
AR Coating
Inner
Yes

Movement

1 specs
Caliber
Swiss High-Torque Quartz
9F62

Pricing

1 specs
MSRP
$1,550
$4,100

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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.

Grand Seiko SBGX355

The Grand Seiko SBGX355 is widely praised for its beautiful dial, excellent finishing, and perfect 37mm size. Owners report unparalleled accuracy from the 9F62 quartz movement, rated to within 10 seconds per year. The high-intensity titanium case and 100m water resistance are noted features. Some consider the SBGX355 a "baby Snowflake" and a more accessible alternative to other models. Overall, owners and reviewers rate the Grand Seiko SBGX355 highly for its iconic Snowflake dial and exceptional quartz accuracy in a wearable 37mm case.

From video reviewers

The titanium case finishing is a significant strength. The deployant clasp is noted as prone to rattle. Reviewers disagree on the ideal case size for everyday wear.

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