Side by side

Sinn 856 S UTCvsMarathon GSAR (Government Search & Rescue) Diver's Automatic

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

856 S UTC
Sinn856 S UTC
MSRP $2,938
GSAR (Government Search & Rescue) Diver's Automatic
MarathonGSAR (Government Search & Rescue) Diver's Automatic
MSRP $2,100

At a glance

17 of 29 specs differ
Diameter
856 S UTC40mm
GSAR (Government Search & Rescue) Diver's Automatic41mm
Power Reserve
856 S UTC38h
GSAR (Government Search & Rescue) Diver's Automatic40h
Water Resistance
856 S UTC200m
GSAR (Government Search & Rescue) Diver's Automatic300m
MSRP
856 S UTC$2,938
GSAR (Government Search & Rescue) Diver's Automatic$2,100

Full specifications

Case

8 specs
Category
Tool
Diver
Diameter
40mm
41mm
Thickness
11mm
14mm
Lug-to-Lug
48mm
Material
Stainless Steel
316L Stainless Steel
Finish
black
Brushed and polished
Water Resistance
200m
300m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Black
Anthracite
Indices
Applied
Lume
Luminescent
None

Movement

3 specs
Caliber
SW 330-1
Sellita SW200-1
Power Reserve
38h
40h
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$2,938
$2,100

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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.

Sinn 856 S UTC

Owners widely praise the Sinn 856 S UTC for its legibility, robust build, and versatile wearability as an everyday and business-casual timepiece. The watch is frequently chosen for its adventurous UTC functionality and durability features, including tegimentation, anti-magnetism, and humidity protection, making it suitable for frequent travel. One owner reports accuracy of approximately -10 seconds per day. On balance, owners rate the Sinn 856 S UTC highly for its practical functionality and rugged construction.

Marathon GSAR (Government Search & Rescue) Diver's Automatic

The Marathon GSAR (Government Search & Rescue) Diver's Automatic is widely praised for its legibility, comfort, and exceptional tritium illumination, with reviewers highlighting its utilitarian, military-equipment feel and a 41mm case size considered ideal. Owners appreciate its grippy bezel and the 300 meters of water resistance provided by the screw-down crown, deeming it a solid value for a Swiss-made tool watch. Some owners report quality control issues, with one user needing to warranty two watches, and another notes the GSAR wears taller than other models, leading to occasional bumping. The reliable ETA 2824-A2 movement is a consistent feature. Overall, owners and reviewers rate the Marathon GSAR (Government Search & Rescue) Diver's Automatic highly for its bright tritium lume and robust, no-nonsense tool watch design.

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