Side by side

Citizen Eco-DrivevsGlycine Airman Worldtimer

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

Eco-Drive
CitizenEco-Drive
MSRP $338
Airman Worldtimer
GlycineAirman Worldtimer
MSRP $1,395

At a glance

19 of 29 specs differ
Diameter
Eco-Drive42.3mm
Airman Worldtimer42mm
Power Reserve
Eco-Drive40h
Airman Worldtimer
Water Resistance
Eco-Drive100m
Airman Worldtimer100m
MSRP
Eco-Drive$338
Airman Worldtimer$1,395

Full specifications

Case

7 specs
Category
Casual
GMT
Diameter
42.3mm
42mm
Thickness
12mm
14mm
Lug-to-Lug
46mm
Lug Width
20mm
22mm
Finish
Brushed and polished
Caseback
Solid

Crystal & Dial

5 specs
Crystal
Mineral
Sapphire
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Green
Black
Indices
Applied

Movement

6 specs
Caliber
J800
RONDA 515
Type
Solar
Quartz
Beat Rate
28,800 vph
Power Reserve
40h
Jewels
25
1
Complications
None
Date, World Time

Pricing

1 specs
MSRP
$338
$1,395

Follow this matchup

Get a note when Citizen Eco-Drive vs Glycine Airman Worldtimer gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

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

Citizen Eco-Drive

Citizen Eco-Drive watches are widely praised for exceptional durability and reliability, with many owners reporting theirs lasting over a decade without issue and some even suggesting they are "Buy It For Life" (BIFL) models. Owners appreciate the ease of use and reliability of the solar-powered quartz movement, with one noting their watch was only off by 2 minutes after five years of disuse. Specific models are noted for their engineering marvels, such as the world's thinnest light-powered watch at 2.98mm thick, a 100-day power reserve, and materials like cermet bezels and titanium construction with sapphire crystals. However, a few users have experienced malfunctions, including one chronograph that stopped keeping time shortly after purchase, requiring a lengthy warranty repair. The battery can degrade and may need replacement after 20+ years, and owners suggest keeping the watch charged in light to prolong its life.

Glycine Airman Worldtimer

The Glycine Airman Worldtimer is widely appreciated for its classic pilot watch design and comfortable wearability, with owners specifically praising the 40mm GL1048's size and the 39mm Airman 18's legibility and build quality. The Airman 18's dial lume pips are noted as weaker than its hands, and some owners find the GMT hand on certain models difficult to read due to its thinness and lack of lume. Accuracy is generally acceptable, with one owner reporting no flaws and another noting a Sellita-based movement kept acceptable time. On balance, owners and reviewers rate the Glycine Airman Worldtimer highly for its faithful reproduction of a classic design and excellent value.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.