Side by side
Oblvlo FM SL Day-Date SquarevsNOMOS Glashütte Tetra 27 duo
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
16 of 29 specs differDiameter
FM SL Day-Date Square39mm
Tetra 27 duo27.5mm
Power Reserve
FM SL Day-Date Square42h
Tetra 27 duo53 hoursh
Water Resistance
FM SL Day-Date Square50m
Tetra 27 duo50m
MSRP
FM SL Day-Date Square$158
Tetra 27 duo$2,090
Full specifications
Case
6 specsDiameter
39mm
27.5mm
Thickness
11mm
6.1mm
Lug-to-Lug
46mm
38.5mm
Lug Width
21mm
18mm
Finish
Brushed and polished
—
Caseback
Solid
—
Crystal & Dial
4 specsCrystal Shape
Flat
—
AR Coating
Inner
—
Dial Color
Black
White
Indices
Applied
—
Movement
5 specsCaliber
Miyota 8215
Nomos DUW 4001
Type
Automatic
Manual
Beat Rate
28,800 vph
21,600 vph
Power Reserve
42h
53 hoursh
Jewels
21
17
Pricing
1 specsMSRP
$158
$2,090
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