Side by side

Marathon JDD (Jumbo Day/Date) Anthracite Diver's AutomaticvsPhoibos Wave Master GMT

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

JDD (Jumbo Day/Date) Anthracite Diver's Automatic
MarathonJDD (Jumbo Day/Date) Anthracite Diver's Automatic
MSRP $3,250
Wave Master GMT
PhoibosWave Master GMT
MSRP $399

At a glance

12 of 29 specs differ
Diameter
JDD (Jumbo Day/Date) Anthracite Diver's Automatic46mm
Wave Master GMT39.5mm
Power Reserve
JDD (Jumbo Day/Date) Anthracite Diver's Automatic40h
Wave Master GMT40h
Water Resistance
JDD (Jumbo Day/Date) Anthracite Diver's Automatic300m
Wave Master GMT200m
MSRP
JDD (Jumbo Day/Date) Anthracite Diver's Automatic$3,250
Wave Master GMT$399

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
46mm
39.5mm
Thickness
18mm
12.7mm
Lug-to-Lug
55mm
46mm
Lug Width
22mm
20mm
Material
316L Stainless Steel (Anthracite IP)
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Anthracite
Black
Lume
None
Super-LumiNova

Movement

1 specs
Caliber
Sellita SW220-1
SII NH34

Pricing

1 specs
MSRP
$3,250
$399

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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.

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.

Phoibos Wave Master GMT

The Phoibos Wave Master GMT is widely praised for its attractive design, comfortable 20mm tapering bracelet, and wearability on a 7" wrist, with owners finding it a strong value proposition at $220. Some minor finishing flaws, such as slightly crooked markers and off-center dial numbers, are noted by one owner, while accuracy averages around 5-10 seconds over two weeks. Overall, owners rate the Phoibos Wave Master GMT highly for its distinctive design and comfortable wearability at its price point.

From video reviewers

The Wave Master GMT's notable feature is its 200M water resistance. A drawback is the rattle of the bracelet. Reviewers disagree on the watch's value, with one reviewer noting its significant weight for a 39.5mm case diameter, but the other reviewer doesn't mention any specific weaknesses or trade-offs.

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