Side by side

Ferro Race Master AutomaticvsMarathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic

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

Race Master Automatic
FerroRace Master Automatic
MSRP $585
JDD (Jumbo Day/Date) Anthracite Diver's Automatic
MarathonJDD (Jumbo Day/Date) Anthracite Diver's Automatic
MSRP $3,250

At a glance

10 of 29 specs differ
Diameter
Race Master Automatic45.2mm
JDD (Jumbo Day/Date) Anthracite Diver's Automatic46mm
Power Reserve
Race Master Automatic40h
JDD (Jumbo Day/Date) Anthracite Diver's Automatic40h
Water Resistance
Race Master Automatic50m
JDD (Jumbo Day/Date) Anthracite Diver's Automatic300m
MSRP
Race Master Automatic$585
JDD (Jumbo Day/Date) Anthracite Diver's Automatic$3,250

Full specifications

Case

7 specs
Category
Sport
Diver
Diameter
45.2mm
46mm
Thickness
11mm
18mm
Lug-to-Lug
45.2mm
55mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
316L Stainless Steel (Anthracite IP)
Water Resistance
50m
300m

Crystal & Dial

1 specs
Dial Color
White
Anthracite

Movement

1 specs
Caliber
Sellita SW200
Sellita SW220-1

Pricing

1 specs
MSRP
$585
$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.

Ferro Race Master Automatic

Owners widely praise the Ferro Race Master Automatic for its value, with one enthusiast highlighting the British racing green dial, strong lume, beautifully engraved case back, and comfortable 39mm brushed steel case. The transparent movement descriptions are also appreciated. However, one owner reported poor communication and suspected delays regarding a pre-production order. On balance, owners rate the Ferro Race Master Automatic highly for its dial aesthetics and comfortable wearability 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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