Which is cheaper, the Glycine Airman Worldtimer or the Marathon CeraShell Pilot's Navigator?

At MSRP the Marathon CeraShell Pilot's Navigator is the cheaper of the two at $550, against $1,395 for the Glycine Airman Worldtimer — a $845 gap before any retailer discounting.

Which is bigger, the Glycine Airman Worldtimer or the Marathon CeraShell Pilot's Navigator?

The Glycine Airman Worldtimer wears larger at 42mm versus 41mm for the Marathon CeraShell Pilot's Navigator — a 1mm difference across the dial.

Which has better water resistance, the Glycine Airman Worldtimer or the Marathon CeraShell Pilot's Navigator?

The Glycine Airman Worldtimer is rated to 100m versus 60m for the Marathon CeraShell Pilot's Navigator.

What movement does the Glycine Airman Worldtimer run compared to the Marathon CeraShell Pilot's Navigator?

Both watches run quartz movements — the Glycine Airman Worldtimer uses the RONDA 515 and the Marathon CeraShell Pilot's Navigator uses the ETA F06.

Side by side

Glycine Airman WorldtimervsMarathon CeraShell Pilot's Navigator

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

Glycine Airman Worldtimer

GL1041

MSRP $1,395

Marathon CeraShell Pilot's Navigator

41mm-cerashell-quartz-navigator-nav-on-ballistic-nylon-strap

MSRP $550

At a glance

18 of 29 specs differ

Diameter

Airman Worldtimer42mm

CeraShell Pilot's Navigator41mm

Power Reserve

Airman Worldtimer—

CeraShell Pilot's Navigator40h

Water Resistance

Airman Worldtimer100m

CeraShell Pilot's Navigator60m

MSRP

Airman Worldtimer$1,395

CeraShell Pilot's Navigator$550

Full specifications

Case

9 specs

Crystal & Dial

3 specs

Crystal Shape

—

Flat

AR Coating

—

Inner

Indices

—

Applied

Movement

5 specs

Caliber

RONDA 515

ETA F06

Beat Rate

—

28,800 vph

Power Reserve

—

40h

Jewels

Complications

Date, World Time

None

Pricing

1 specs

MSRP

$1,395

$550

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