Side by side

NOMOS Glashütte Tetra 27vsZelos Spearfish GMT

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

Tetra 27
NOMOS GlashütteTetra 27
MSRP $2,400
Spearfish GMT
ZelosSpearfish GMT
MSRP $999

At a glance

19 of 29 specs differ
Diameter
Tetra 2727.5mm
Spearfish GMT40mm
Power Reserve
Tetra 2743 hoursh
Spearfish GMT40h
Water Resistance
Tetra 2750m
Spearfish GMT200m
MSRP
Tetra 27$2,400
Spearfish GMT$999

Full specifications

Case

9 specs
Category
Dress
GMT
Diameter
27.5mm
40mm
Thickness
6.1mm
13mm
Lug-to-Lug
38.5mm
40mm
Lug Width
18mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
50m
200m
Caseback
Solid

Crystal & Dial

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

Movement

5 specs
Caliber
Alpha | manual
Sellita SW330-2
Type
Manual
Automatic
Beat Rate
21,600 vph
28,800 vph
Power Reserve
43 hoursh
40h
Jewels
17
25

Pricing

1 specs
MSRP
$2,400
$999

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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

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.

Zelos Spearfish GMT

The Zelos Spearfish GMT is widely praised for its exceptional value, with reviewers highlighting its superb finishing, flawless machining, and a tool-less micro-adjustment clasp that exceeds its price point. It features a La Joux-Perret G100 movement with a 68-hour power reserve, achieving an average accuracy of +2.6 seconds per day, or a Miyota 9075 movement offering flier-style GMT functionality. The 40mm case and bidirectional 48-click ceramic bezel are well-executed, though one reviewer noted a minor compromise in the end link fit. Overall, owners and reviewers rate the Zelos Spearfish GMT highly for its impressive finishing and value proposition.

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