Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 41mmvsNOMOS Glashütte Ahoi neomatik siren blue

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

OSAR-D (Original SAR with Date) Automatic 41mm
MarathonOSAR-D (Original SAR with Date) Automatic 41mm
MSRP $1,800

At a glance

17 of 29 specs differ
Diameter
OSAR-D (Original SAR with Date) Automatic 41mm41mm
Ahoi neomatik siren blue36.3mm
Power Reserve
OSAR-D (Original SAR with Date) Automatic 41mm40h
Ahoi neomatik siren blue43 hoursh
Water Resistance
OSAR-D (Original SAR with Date) Automatic 41mm300m
Ahoi neomatik siren blue200m
MSRP
OSAR-D (Original SAR with Date) Automatic 41mm$1,800
Ahoi neomatik siren blue$4,540

Full specifications

Case

8 specs
Category
Diver
Tool
Diameter
41mm
36.3mm
Thickness
13mm
9.6mm
Lug-to-Lug
43.5mm
45.5mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Water Resistance
300m
200m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Black
Blue
Indices
Applied

Movement

4 specs
Caliber
Sellita SW220-1
DUW 3001
Beat Rate
28,800 vph
21,600 vph
Power Reserve
40h
43 hoursh
Jewels
25
27

Pricing

1 specs
MSRP
$1,800
$4,540

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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 OSAR-D (Original SAR with Date) Automatic 41mm

The Marathon OSAR-D (Original SAR with Date) Automatic 41mm is noted for its highly legible white dial with applied hour markers and a functional date magnifier, emphasizing its tool-watch purpose. Its Swiss-made Sellita SW200-1 movement is considered reliable and serviceable. One reviewer found the bracelet lacked refinement and preferred the rubber strap option. Overall, owners and reviewers appreciate the Marathon OSAR-D (Original SAR with Date) Automatic 41mm for its excellent legibility and robust movement.

NOMOS Glashütte Ahoi neomatik siren blue

Owners and reviewers widely praise the NOMOS Glashütte Ahoi neomatik siren blue for its vibrant siren blue dial, which pops in any light, and its Bauhaus design language with arresting simplicity. The subtle rose gold accents, neon orange details, and color-matched date window at 6 o'clock are noted as well-thought-out elements. The slim 9.8mm case and 200m water resistance are also highlighted. However, the lume on the hour markers is considered weak and fades quickly, and the watch is not a true ISO-certified diver due to the lack of a dive bezel. Some find the textile strap too casual for anything beyond sophisticated casual wear, and the straight lugs can create a large feel on the wrist. The DUW 3001 movement offers a 43-hour power reserve. On balance, owners and reviewers rate the NOMOS Glashütte Ahoi neomatik siren blue highly for its striking dial and refined, yet casual, aesthetic.

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