Side by side
Oblvlo FM SL Day-Date SquarevsSeestern S446 GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
FM SL Day-Date Square39mm
S446 GMT39.5mm
Power Reserve
FM SL Day-Date Square42h
S446 GMT41hh
Water Resistance
FM SL Day-Date Square50m
S446 GMT100m
MSRP
FM SL Day-Date Square$158
S446 GMT$299
Full specifications
Case
7 specsCategory
Dress
GMT
Diameter
39mm
39.5mm
Thickness
11mm
13mm
Lug-to-Lug
46mm
47mm
Lug Width
21mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
100m
Crystal & Dial
2 specsCrystal Shape
Flat
Domed
Dial Color
Black
Cream
Movement
5 specsCaliber
Miyota 8215
Seiko NH34A GMT
Beat Rate
28,800 vph
3 vph
Power Reserve
42h
41hh
Jewels
21
24
Complications
None
GMT, Date
Pricing
1 specsMSRP
$158
$299
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