Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 46mmvsCWC T20 General Service Quartz Watch

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

OSAR-D (Original SAR with Date) Automatic 46mm
MarathonOSAR-D (Original SAR with Date) Automatic 46mm
MSRP $2,500
T20 General Service Quartz Watch
CWCT20 General Service Quartz Watch
MSRP $249

At a glance

13 of 29 specs differ
Diameter
OSAR-D (Original SAR with Date) Automatic 46mm46mm
T20 General Service Quartz Watch38mm
Power Reserve
OSAR-D (Original SAR with Date) Automatic 46mm40h
T20 General Service Quartz Watch40h
Water Resistance
OSAR-D (Original SAR with Date) Automatic 46mm300m
T20 General Service Quartz Watch50m
MSRP
OSAR-D (Original SAR with Date) Automatic 46mm$2,500
T20 General Service Quartz Watch$249

Full specifications

Case

7 specs
Category
Diver
Field
Diameter
46mm
38mm
Thickness
13mm
12mm
Lug-to-Lug
43.5mm
42mm
Lug Width
18mm
18.5mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
50m

Crystal & Dial

3 specs
Crystal
Sapphire
Acrylic
Dial Color
Black
CWC T20 General Service Quartz Watch
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
Sellita SW220-1
Ronda 515
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$2,500
$249

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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 46mm

The Marathon OSAR-D (Original SAR with Date) Automatic 46mm is widely regarded as a rugged and legible timepiece, featuring a familiar geometric dial with MaraGlo lume and a white dial with applied hour markers that enhance legibility. Owners and reviewers note its 300-meter water resistance and the reliable Swiss-made Sellita SW200-1 automatic movement with improved shock protection. The watch is described as large, thick, and heavy, with some owners finding it comfortable on the wrist while others note its substantial presence, particularly at a table. Overall, owners and reviewers appreciate the Marathon OSAR-D (Original SAR with Date) Automatic 46mm for its rugged build and excellent legibility.

CWC T20 General Service Quartz Watch

The CWC T20 General Service Quartz Watch is widely praised for its simple, clean, and classic look, with owners considering it a classy and comfortable field watch. Its 38mm tonneau case is seen by some as a cool retro piece representative of original MOD specifications, though others find this size too small for larger wrists. The watch is noted for keeping accurate time, with one owner reporting it as practical for everyday wear. It features a stainless steel case, sapphire crystal, and a Ronda 715 movement. A limitation mentioned is the fixed lugs, which restrict strap versatility. Overall, owners rate the CWC T20 General Service Quartz Watch highly for its classic military-inspired aesthetic and reliable timekeeping at an affordable price.

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