Side by side

Glycine Airman Worldtimer GMT Dual TimevsMarathon Steel Navigator SSNAV-D Quartz

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

Steel Navigator SSNAV-D Quartz
MarathonSteel Navigator SSNAV-D Quartz
MSRP $1,300

At a glance

18 of 29 specs differ
Diameter
Airman Worldtimer GMT Dual Time40mm
Steel Navigator SSNAV-D Quartz41mm
Power Reserve
Airman Worldtimer GMT Dual Time
Steel Navigator SSNAV-D Quartz40h
Water Resistance
Airman Worldtimer GMT Dual Time100m
Steel Navigator SSNAV-D Quartz60m
MSRP
Airman Worldtimer GMT Dual Time$995
Steel Navigator SSNAV-D Quartz$1,300

Full specifications

Case

8 specs
Category
GMT
Pilot
Diameter
40mm
41mm
Thickness
12mm
11mm
Lug-to-Lug
48mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
100m
60m
Caseback
Solid

Crystal & Dial

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

Movement

5 specs
Caliber
RONDA 515.24H
Swiss High-Torque Quartz
Beat Rate
28,800 vph
Power Reserve
40h
Jewels
1
25
Complications
GMT, Date, World Time
None

Pricing

1 specs
MSRP
$995
$1,300

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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.

Glycine Airman Worldtimer GMT Dual Time

Owners widely praise the Glycine Airman Worldtimer GMT Dual Time for its comfortable 40mm size, attractive aesthetics, blue GMT hand, sapphire crystal with blue AR coating, and locking bezel. Some owners find it a significant improvement over previous Airman models, with one reporting good timekeeping. However, the dual 24-hour and GMT hands are noted by some as making local time setting less intuitive than a purist 24-hour dial. On balance, owners and reviewers appreciate the Glycine Airman Worldtimer GMT Dual Time for its comfortable wearability and classic design elements.

Marathon Steel Navigator SSNAV-D Quartz

The Marathon Steel Navigator SSNAV-D Quartz is widely praised for its high-accuracy Swiss Made ETA F06.412 HeavyDrive-PreciDrive quartz movement, rated at +/- 10 seconds per year, and its tritium lume. Reviewers and owners highlight its functional tool-watch appeal, noting the sandblasted steel case with an asymmetric design, excellent bi-directional bezel action, and drilled lug holes. Some owners find it perfectly suited for sport/rugged use, though not necessarily as an everyday watch. One owner points out that the case's distinctive asymmetry deviates from current aesthetic trends. Overall, owners and reviewers rate the Marathon Steel Navigator SSNAV-D Quartz highly for its robust build and exceptional timekeeping accuracy at its price point.

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