Which has better water resistance, the Marathon OSAR-D (Original SAR with Date) Automatic 41mm or the Redux Zero-Hour?

The Marathon OSAR-D (Original SAR with Date) Automatic 41mm is rated to 300m versus 200m for the Redux Zero-Hour.

What movement does the Marathon OSAR-D (Original SAR with Date) Automatic 41mm run compared to the Redux Zero-Hour?

Both watches run automatic movements — the Marathon OSAR-D (Original SAR with Date) Automatic 41mm uses the Sellita SW220-1 and the Redux Zero-Hour uses the Seiko NH35.

Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 41mmvsRedux Zero-Hour

Q: Which has a longer power reserve, the Marathon OSAR-D (Original SAR with Date) Automatic 41mm or the Redux Zero-Hour?

The Redux Zero-Hour carries a 41-hour power reserve against 40 hours on the Marathon OSAR-D (Original SAR with Date) Automatic 41mm.

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

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

41mm-original-sar-w-date-osar-d

MSRP $1,800

Redux Zero-Hour

the-courg-watch-zero-hour-39mm

At a glance

10 of 29 specs differ

Diameter

OSAR-D (Original SAR with Date) Automatic 41mm41mm

Zero-Hour39mm

Power Reserve

OSAR-D (Original SAR with Date) Automatic 41mm40h

Zero-Hour41h

Water Resistance

OSAR-D (Original SAR with Date) Automatic 41mm300m

Zero-Hour200m

MSRP

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

Zero-Hour—

Full specifications

Case

7 specs

Movement

2 specs

Caliber

Sellita SW220-1

Seiko NH35

Power Reserve

40h

41h

Pricing

1 specs

MSRP

$1,800

—

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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.

Fratello

A Blog to Watch

Redux Zero-Hour

Owners widely praise the Redux Courg Type 39MM for its robust, no-nonsense design and good overall quality, with a reliable Seiko NH53A movement keeping time well. The titanium case and crystal have shown scratch resistance, and the bezel action is described as tight by some. Reviewers note the proprietary RDXB1 or blue lume glows brilliantly, though briefly. Some owners flag the crown stem as flimsy and the unidirectional bezel as having some play. Overall, owners rate the Redux Courg Type 39MM highly for its functional tool-watch design and durable titanium construction.

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