Side by side

Grand Seiko SLGA019vsNOMOS Glashütte Tetra 27 duo

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

SLGA019
Grand SeikoSLGA019
MSRP $11,000
Tetra 27 duo
NOMOS GlashütteTetra 27 duo
MSRP $2,090

At a glance

18 of 29 specs differ
Diameter
SLGA01940mm
Tetra 27 duo27.5mm
Power Reserve
SLGA019120h
Tetra 27 duo53 hoursh
Water Resistance
SLGA019100m
Tetra 27 duo50m
MSRP
SLGA019$11,000
Tetra 27 duo$2,090

Full specifications

Case

8 specs
Diameter
40mm
27.5mm
Thickness
11.8mm
6.1mm
Lug-to-Lug
47.9mm
38.5mm
Lug Width
22mm
18mm
Material
Titanium
Stainless Steel
Finish
Brushed and polished
Water Resistance
100m
50m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Yes
Dial Color
Black
White
Indices
Applied

Movement

5 specs
Caliber
9RA2
DUW 4001
Type
Spring Drive
Manual
Beat Rate
28,800 vph
21,600 vph
Power Reserve
120h
53 hoursh
Jewels
25
17

Pricing

1 specs
MSRP
$11,000
$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.

Grand Seiko SLGA019

Owners and reviewers widely praise the Grand Seiko SLGA019 for its stunning "Minamo" dial, inspired by Lake Suwa, with its intricate texture and finishing. The Evolution 9 case, constructed from lightweight Grade 5 titanium, is lauded for its refinement and comfortable wearability. The 9RA2 Spring Drive movement is noted for exceptional accuracy, with one owner documenting a loss of only 0.5 seconds in a week. However, some criticism is directed at the bracelet's lack of micro-adjustment and its pin-and-collar system, and the movement's finishing is described as somewhat plain. The retail price is also flagged as high. Overall, the consensus is that the Grand Seiko SLGA019 is a highly refined and accurate watch, with its dial and comfortable titanium case being the primary reasons for its strong reception.

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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