Side by side
Aera Instruments M-1vsSeiko 5 Sports Field series
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
M-139mm
5 Sports Field series39.4mm
Power Reserve
M-142h
5 Sports Field series41h
Water Resistance
M-1100m
5 Sports Field series100m
MSRP
M-1—
5 Sports Field series$450
Full specifications
Case
4 specsCategory
—
GMT
Diameter
39mm
39.4mm
Thickness
13.14mm
13.6mm
Lug-to-Lug
47.6mm
47.9mm
Crystal & Dial
4 specsCrystal
Sapphire
Hardlex
Crystal Shape
Flat
Curved
Dial Color
Dune
Black
Lume
Super-LumiNova
LumiBrite on hands and index(es)
Movement
4 specsCaliber
Sellita SW216-1
4R34
Type
Manual
Automatic
Power Reserve
42h
41h
Jewels
25
24
Pricing
1 specsMSRP
—
$450
Follow this matchup
Get a note when Aera Instruments M-1 vs Seiko 5 Sports Field series gets more votes, a community discussion, or a price drop. No account needed.
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
CWC Cabot Steel Limited Edition WatchvsSeiko 5 Sports Field seriesFarer CUSHION CASEvsSeiko 5 Sports Field seriesFarer Lethbridge GoldvsSeiko 5 Sports Field seriesSeiko 5 Sports Field seriesvsAevig THOR manualwind dresswatchAera Instruments M-1vsSpinnaker Croft 39 GMTAera Instruments M-1vsWolbrook Pan4Timer Automatic