Marathon GSAR (Government Search & Rescue) Diver's AutomaticvsNezumi Studios Baleine

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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.

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

GSAR (Government Search & Rescue) Diver's Automatic

Nezumi Studios Baleine at true scale

Baleine

Diameter

41mm

40mm

Lug-to-Lug

48mm

47mm

lowest

Thickness

14mm

12.1mm

lowest

Water Resistance

300m

highest

200m

Power Reserve

n/a

42h

MSRP

$2,500

$821

lowest

Movement

Sellita SW200-1

Miyota 9039

Case

5 specs
Diameter
41mm
40mm
Thickness
14mm
12.1mm
Lug-to-Lug
48mm
47mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

2 specs
Dial Color
Anthracite
Black
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
Sellita SW200-1
Miyota 9039
Power Reserve
0h
42hh

Pricing

1 specs
MSRP
$2,500
$821
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Reviews

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

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.

Nezumi Studios Baleine

Owners widely praise the Nezumi Studios Baleine for its stylish design updates, comfortable 40mm case size, and the soft feel of its strap, with one owner noting its striking appearance garners significant attention. Reviewers highlight its exceptional value, with the automatic version priced competitively, and appreciate the coin-edged bezel action. The watch features a boxed sapphire crystal, signed crown, buckle, and case back, and a textured matte black dial with applied numerals filled with warm-toned lume. Accuracy figures for the Miyota 9039 movement are stated as -10/+30 seconds per day, though actual performance is expected to be better, with one owner reporting initial fast running that settled. Some owners find the 40mm size ideal, while one wished for a smaller case. The gold DLC coating is a matter of personal preference, though it is acknowledged to be eye-catching. The included leather strap did not hold up well to sunscreen for one owner.

From video reviewers

The cohesive, original vintage-inspired design is the primary strength. Lume performance is a weakness.