Side by side

Oblvlo FM SL Day-Date SquarevsSeiko Prospex Sea

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

FM SL Day-Date Square
OblvloFM SL Day-Date Square
MSRP $158
Prospex Sea
SeikoProspex Sea

At a glance

12 of 29 specs differ
Diameter
FM SL Day-Date Square39mm
Prospex Sea42mm
Power Reserve
FM SL Day-Date Square42h
Prospex Sea72h
Water Resistance
FM SL Day-Date Square50m
Prospex Sea300m
MSRP
FM SL Day-Date Square$158
Prospex Sea—

Full specifications

Case

6 specs
Category
Dress
Diver
Diameter
39mm
42mm
Thickness
11mm
13.3mm
Lug-to-Lug
46mm
48.6mm
Lug Width
21mm
20mm
Water Resistance
50m
300m

Crystal & Dial

2 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Miyota 8215
6R54
Power Reserve
42h
72h
Jewels
21
24

Pricing

1 specs
MSRP
$158
—

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