Side by side

Seiko 5 Sports SKX seriesvsNOMOS Glashütte Tetra 27 duo

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

5 Sports SKX series
Seiko5 Sports SKX series
MSRP $315
Tetra 27 duo
NOMOS GlashütteTetra 27 duo
MSRP $2,090
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Seiko 5 Sports SKX series

Owners widely praise the Seiko 5 Sports SKX series for its iconic dive watch design, robust build, and excellent value, with many appreciating its timeless styling and tool-like character. The movement, while basic, is noted as offering hacking and hand-winding capabilities, and accuracy varies, with many owners reporting +/-5 to 10 seconds per day despite the movement's potential for +/-40 seconds. Some owners find the original SKX models heavier and bulkier than newer iterations, while others critique the lack of a screw-down crown and ISO rating on the newer Seiko 5 Sports SKX series, deeming it less of a serious tool watch. Overall, owners rate the Seiko 5 Sports SKX series highly for its enduring design and value proposition as a robust, everyday watch.

NOMOS Glashütte Tetra 27 duo

Owners widely praise the NOMOS Glashütte Tetra 27 duo for its ideal small and light wearing dimensions, beautiful dial that shifts with lighting, and gorgeous blued hands, with some finding its 27mm size perfect for vintage preferences. The watch is noted for its precise, Art Deco-inspired design and good finishing. However, some owners and reviewers consider the 27.5mm size too small, labeling it a women's watch, though others find it unisex and note its square shape can make it wear larger. One owner flags the buckle as disappointingly generic and the grey suede strap as prone to getting dirty. Overall, owners and reviewers highly regard the NOMOS Glashütte Tetra 27 duo for its elegant design and comfortable wearability at its price point.

At a glance

20 of 29 specs differ
Diameter
5 Sports SKX series28mm
Tetra 27 duo27.5mm
Power Reserve
5 Sports SKX series40h
Tetra 27 duo53 hoursh
Water Resistance
5 Sports SKX series100m
Tetra 27 duo50m
MSRP
5 Sports SKX series$315
Tetra 27 duo$2,090

Full specifications

Case

8 specs
Category
Sport
Dress
Diameter
28mm
27.5mm
Thickness
11.2mm
6.1mm
Lug-to-Lug
33.1mm
38.5mm
Lug Width
14mm
18mm
Finish
Brushed and polished
Water Resistance
100m
50m
Caseback
Solid

Crystal & Dial

6 specs
Crystal
Hardlex
Sapphire
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Black
White
Indices
Applied
Lume
LumiBrite on hands and index(es)
None

Movement

5 specs
Caliber
2R06
DUW 4001
Type
Automatic
Manual
Beat Rate
28,800 vph
21,600 vph
Power Reserve
40h
53 hoursh
Jewels
21
17

Pricing

1 specs
MSRP
$315
$2,090
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