Side by side
Oblvlo FM SL Day-Date SquarevsGrand Seiko SBGA427
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
FM SL Day-Date Square39mm
SBGA42739mm
Power Reserve
FM SL Day-Date Square42h
SBGA42772h
Water Resistance
FM SL Day-Date Square50m
SBGA427100m
MSRP
FM SL Day-Date Square$158
SBGA427$5,800
Full specifications
Case
4 specsThickness
11mm
12.3mm
Lug-to-Lug
46mm
46.8mm
Lug Width
21mm
19mm
Water Resistance
50m
100m
Crystal & Dial
1 specsAR Coating
Inner
Yes
Movement
4 specsCaliber
Miyota 8215
9R65
Type
Automatic
Spring Drive
Power Reserve
42h
72h
Jewels
21
25
Pricing
1 specsMSRP
$158
$5,800
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