Side by side

Marathon JDD (Jumbo Day/Date) Anthracite Diver's AutomaticvsNOMOS Glashütte Tetra 27

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
Tetra 27
NOMOS GlashütteTetra 27
MSRP $2,400

At a glance

19 of 29 specs differ
Diameter
JDD (Jumbo Day/Date) Anthracite Diver's Automatic46mm
Tetra 2727.5mm
Power Reserve
JDD (Jumbo Day/Date) Anthracite Diver's Automatic40h
Tetra 2743 hoursh
Water Resistance
JDD (Jumbo Day/Date) Anthracite Diver's Automatic300m
Tetra 2750m
MSRP
JDD (Jumbo Day/Date) Anthracite Diver's Automatic$3,250
Tetra 27$2,400

Full specifications

Case

9 specs
Category
Diver
Dress
Diameter
46mm
27.5mm
Thickness
18mm
6.1mm
Lug-to-Lug
55mm
38.5mm
Lug Width
22mm
18mm
Material
316L Stainless Steel (Anthracite IP)
Stainless Steel
Finish
Brushed and polished
Water Resistance
300m
50m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Anthracite
Silver
Indices
Applied

Movement

5 specs
Caliber
Sellita SW220-1
Alpha | manual
Type
Automatic
Manual
Beat Rate
28,800 vph
21,600 vph
Power Reserve
40h
43 hoursh
Jewels
25
17

Pricing

1 specs
MSRP
$3,250
$2,400

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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.

NOMOS Glashütte Tetra 27

Owners praise the NOMOS Glashütte Tetra 27 for its elegant, classic dress watch dimensions, a dial that changes appearance, and comfortable OEM strap. Reviewers highlight its precise, instrument-like design and value proposition, noting its thinness and angular case. Some owners wish for a recessed subdial, and one criticizes the generic buckle. The gold-plated steel hands are not solid gold. Overall, owners and reviewers rate the NOMOS Glashütte Tetra 27 highly for its elegant design and comfortable wearability at its price point.

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