Side by side

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

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
PhoibosWave Master
MSRP $309

At a glance

9 of 29 specs differ
Diameter
JDD (Jumbo Day/Date) Anthracite Diver's Automatic46mm
Wave Master42mm
Power Reserve
JDD (Jumbo Day/Date) Anthracite Diver's Automatic40h
Wave Master40h
Water Resistance
JDD (Jumbo Day/Date) Anthracite Diver's Automatic300m
Wave Master300m
MSRP
JDD (Jumbo Day/Date) Anthracite Diver's Automatic$3,250
Wave Master$309

Full specifications

Case

4 specs
Diameter
46mm
42mm
Thickness
18mm
14mm
Lug-to-Lug
55mm
48.5mm
Material
316L Stainless Steel (Anthracite IP)
Stainless Steel

Crystal & Dial

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

Movement

1 specs
Caliber
Sellita SW220-1
SII NH35A

Pricing

1 specs
MSRP
$3,250
$309

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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

Owners widely praise the Phoibos Wave Master for its attractive wavy dial, bright lume, and comfortable engineer bracelet, with many considering it one of the best-looking watches under $300. The watch features a sapphire crystal and ceramic bezel, and owners report good quality for the price, with a subtle wave pattern on the dial appreciated for its unique style. While some minor finishing flaws like slightly crooked hour markers or an off-center outer ring have been noted, these are generally considered not visible during wear. One owner experienced a clasp breakage after four years, but Phoibos replaced it free of charge. Some owners wish the watch were larger than 40mm, and one notes the GMT hand and other details may not hold up under extreme close-ups. Overall, owners rate the Phoibos Wave Master highly for its distinctive dial and value, especially considering its build quality and features.

From video reviewers

The unidirectional ceramic bezel action is praised. The lume brightness is noted as a weakness. Reviewers disagree on the water resistance rating, with some stating 300M and others 200M.

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