Side by side

Glycine Airman PuristvsMarathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic

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

Airman Purist
GlycineAirman Purist
MSRP $2,750
JDD (Jumbo Day/Date) Anthracite Diver's Automatic
MarathonJDD (Jumbo Day/Date) Anthracite Diver's Automatic
MSRP $3,250

At a glance

18 of 29 specs differ
Diameter
Airman Purist44mm
JDD (Jumbo Day/Date) Anthracite Diver's Automatic46mm
Power Reserve
Airman Purist48h
JDD (Jumbo Day/Date) Anthracite Diver's Automatic40h
Water Resistance
Airman Purist100m
JDD (Jumbo Day/Date) Anthracite Diver's Automatic300m
MSRP
Airman Purist$2,750
JDD (Jumbo Day/Date) Anthracite Diver's Automatic$3,250

Full specifications

Case

8 specs
Category
GMT
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

4 specs
Caliber
SW330-2
Sellita SW220-1
Power Reserve
48h
40h
Jewels
21
25
Complications
Date
None

Pricing

1 specs
MSRP
$2,750
$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 Airman Purist

Owners widely praise the Glycine Airman Purist for its attractive appearance and comfortable wearability, with the 24-hour dial proving easy to adapt to for many. Some models feature high-contrast hands and lumed dials that offer excellent visibility, though certain stealth designs are criticized for poor legibility. The case back on contemporary models is noted as being easier to open for regulation. Overall, owners rate the Glycine Airman Purist highly for its appealing design and user-friendly 24-hour dial.

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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