Side by side

Spinnaker Cahill AutomaticvsNOMOS Glashütte Tetra 27 duo

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

Cahill Automatic
SpinnakerCahill Automatic
MSRP $350
Tetra 27 duo
NOMOS GlashütteTetra 27 duo
MSRP $2,090

At a glance

19 of 29 specs differ
Diameter
Cahill Automatic42mm
Tetra 27 duo27.5mm
Power Reserve
Cahill Automatic40h
Tetra 27 duo53 hoursh
Water Resistance
Cahill Automatic200m
Tetra 27 duo50m
MSRP
Cahill Automatic$350
Tetra 27 duo$2,090

Full specifications

Case

9 specs
Category
Diver
Dress
Diameter
42mm
27.5mm
Thickness
13.7mm
6.1mm
Lug-to-Lug
51mm
38.5mm
Lug Width
22mm
18mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Water Resistance
200m
50m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Green
White
Indices
Applied

Movement

5 specs
Caliber
SII NH35A
DUW 4001
Type
Automatic
Manual
Beat Rate
28,800 vph
21,600 vph
Power Reserve
40h
53 hoursh
Jewels
25
17

Pricing

1 specs
MSRP
$350
$2,090

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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.

Spinnaker Cahill Automatic

Owners widely praise the Spinnaker Cahill Automatic for its attractive vintage-inspired design, comfortable wearability on smaller wrists, and good timekeeping, with one owner specifically noting the large "maxi" indices and NATO strap as highlights. However, some find the lume application uneven and note the use of a mineral crystal. A significant concern raised by one owner is a report of internal component failures and a perceived lack of quality control within the brand. On balance, the Spinnaker Cahill Automatic is well-regarded by owners for its style and value, particularly at specific price points, despite some noted manufacturing inconsistencies.

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.

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