Echo/Neutra 1956 3HvsMarathon GSAR (Government Search & Rescue) Diver's Automatic

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Echo/Neutra 1956 3H at true scale

1956 3H

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

GSAR (Government Search & Rescue) Diver's Automatic

Diameter

40mm

41mm

Lug-to-Lug

46mm

lowest

48mm

Thickness

11.9mm

lowest

14mm

Water Resistance

100m

300m

highest

Power Reserve

41h

n/a

MSRP

$1,025

lowest

$2,500

Movement

Sellita SW200-1

Sellita SW200-1

Case

7 specs
Diameter
40mm
41mm
Thickness
11.9mm
14mm
Lug-to-Lug
46mm
48mm
Lug Width
n/a
20mm
Finish
Brushed + Polished
n/a
Water Resistance
100m
300m
Caseback
Solid screw-down
n/a

Crystal & Dial

4 specs
Crystal Shape
Ultra-domed
n/a
AR Coating
Underside
n/a
Dial Color
Black
Anthracite
Lume
Superluminova Old Radium
None

Movement

4 specs
Beat Rate
28,800 vph
0 vph
Power Reserve
41h
0h
Jewels
26
0
Complications
GMT, Moonphase, Date
None

Pricing

1 specs
MSRP
$1,025
$2,500
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Echo/Neutra 1956 3H

Owners widely praise the Echo/Neutra 1956 3H for its exceptionally well-executed bracelet, with one owner comparing it favorably to a Rolex Oyster. The watch is noted for its unique blend of vintage tool-watch and mid-century design, featuring a dramatic box-domed sapphire crystal and a gray dial that exceeds build quality expectations. Legibility in low light presents a challenge due to the fixed, lumed bezel and non-lumed dial, and some may find the branding off-putting. Overall, owners rate the Echo/Neutra 1956 3H highly for its unique character and comfortable wearability, driven by its exceptional bracelet and distinctive design.

From video reviewers

The case finishing and vintage aesthetic are consistently praised. The 100m water resistance and Sellita SW200-1 movement are also noted strengths. Reviewers did not reach a consensus on any weaknesses.

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

The Marathon GSAR (Government Search & Rescue) Diver's Automatic is widely praised as a versatile and well-made tool watch, with reviewers highlighting its legibility, utilitarian build, and comfort. Owners appreciate the tritium gas tubes for exceptional illumination in darkness, a feature noted as superior to some alternatives. The 41mm case size is considered ideal by some, though one owner found it wore tall and bumped on objects. While the watch is generally seen as a solid value for a Swiss-made tool watch, some owners have reported quality control issues requiring warranty service. Overall, owners and reviewers rate the Marathon GSAR (Government Search & Rescue) Diver's Automatic highly for its robust build and constant legibility from tritium.

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