Side by side

NOMOS Glashütte Tetra 27 duovsZelos Comet 39

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

Tetra 27 duo
NOMOS GlashütteTetra 27 duo
MSRP $2,090
Comet 39
ZelosComet 39
MSRP $2,499

At a glance

17 of 29 specs differ
Diameter
Tetra 27 duo27.5mm
Comet 3939mm
Power Reserve
Tetra 27 duo53 hoursh
Comet 3940h
Water Resistance
Tetra 27 duo50m
Comet 3950m
MSRP
Tetra 27 duo$2,090
Comet 39$2,499

Full specifications

Case

7 specs
Diameter
27.5mm
39mm
Thickness
6.1mm
7.6mm
Lug-to-Lug
38.5mm
39mm
Lug Width
18mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Caseback
Solid

Crystal & Dial

5 specs
Crystal
Sapphire
Domed Sapphire
Crystal Shape
Flat
AR Coating
Inner
Dial Color
White
Tantalum LE
Indices
Applied

Movement

4 specs
Caliber
DUW 4001
ETA/Peseux 7001
Beat Rate
21,600 vph
28,800 vph
Power Reserve
53 hoursh
40h
Jewels
17
25

Pricing

1 specs
MSRP
$2,090
$2,499

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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.

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.

Zelos Comet 39

Owners widely praise the Zelos Comet 39 for its wearable 39mm size, thin profile under 10mm thanks to its manual-wind Sellita SW215 movement, and its captivating dial with a deep starburst effect. The winding action is described as a joy, and the watch is considered a stunner for its price, blending modern and vintage aesthetics. Some owners note frustration with Zelos's limited production runs leading to quick sell-outs. One owner found the logo childlike, while another experienced strap-rubbing issues with the short lugs, which were resolved with a Milanese bracelet. Overall, owners and reviewers rate the Zelos Comet 39 highly for its excellent value and striking dial design.

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