Side by side

Glycine Airpilot ChronovsMarathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic

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

Airpilot Chrono
GlycineAirpilot Chrono
MSRP $1,895
JDD (Jumbo Day/Date) Anthracite Diver's Automatic
MarathonJDD (Jumbo Day/Date) Anthracite Diver's Automatic
MSRP $3,250

At a glance

20 of 29 specs differ
Diameter
Airpilot Chrono44mm
JDD (Jumbo Day/Date) Anthracite Diver's Automatic46mm
Power Reserve
Airpilot Chrono
JDD (Jumbo Day/Date) Anthracite Diver's Automatic40h
Water Resistance
Airpilot Chrono100m
JDD (Jumbo Day/Date) Anthracite Diver's Automatic300m
MSRP
Airpilot Chrono$1,895
JDD (Jumbo Day/Date) Anthracite Diver's Automatic$3,250

Full specifications

Case

8 specs
Category
Chronograph
Diver
Diameter
44mm
46mm
Thickness
12mm
18mm
Lug-to-Lug
55mm
Material
Stainless Steel
316L Stainless Steel (Anthracite IP)
Finish
Brushed and polished
Water Resistance
100m
300m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Blue
Anthracite
Indices
Applied
Lume
Luminous
None

Movement

6 specs
Caliber
Sellita SW220-1
Type
Quartz
Automatic
Beat Rate
28,800 vph
Power Reserve
40h
Jewels
4
25
Complications
Date
None

Pricing

1 specs
MSRP
$1,895
$3,250

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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 Airpilot Chrono

Owners widely praise the Glycine Airpilot Chrono for its exceptional value, with many stating it is worth twice its price and offers finishing comparable to higher-end brands. Specific highlights include the dial's depth and versatility, the symmetrical design with the date at 6 o'clock, the well-integrated 24-hour complication, and the applied indices. The screw-down crown, sapphire crystal, and 100m water resistance are also frequently cited as strong points, as is the good lume. Some owners find the red chapter ring numerals too small, and the standard Sellita SW200 movement and average clasp are noted as drawbacks. The 41mm case with a 52mm lug-to-lug distance is considered by some to wear large on smaller wrists, though curved lugs help with wearability. Overall, owners rate the Glycine Airpilot Chrono highly for its stunning design and exceptional value at its price point.

Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic

Owners widely praise the Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic as a tough, underrated tool watch with lifestyle appeal, highlighting its robust build and tritium lume for excellent legibility. However, its 46mm size is a common criticism, with some finding it heavy and top-heavy, and the OEM rubber strap stiff. One owner noted the watch runs about 10 seconds fast after three days, and the ETA 2836-2 movement offers approximately two days of power reserve. On balance, owners and reviewers rate the Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic highly for its robust tool-watch build and legibility, despite its substantial size.

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