Side by side
Seiko Prospex Sea Save the Ocean Special EditionvsUndone 420 Cali Automatic
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Prospex Sea Save the Ocean Special Edition42.4mm
420 Cali Automatic40mm
Power Reserve
Prospex Sea Save the Ocean Special Edition41h
420 Cali Automatic—
Water Resistance
Prospex Sea Save the Ocean Special Edition200m
420 Cali Automatic100m
MSRP
Prospex Sea Save the Ocean Special Edition$550
420 Cali Automatic$340
Full specifications
Case
6 specsCategory
Diver
—
Diameter
42.4mm
40mm
Thickness
13.4mm
0mm
Lug-to-Lug
49.4mm
0mm
Lug Width
20mm
0mm
Water Resistance
200m
100m
Crystal & Dial
3 specsCrystal
Hardlex
—
Dial Color
—
—
Lume
LumiBrite on hands, index(es) and bezel
None
Movement
3 specsCaliber
Seiko 4R36
Seiko NH35
Power Reserve
41h
—
Jewels
24
0
Pricing
1 specsMSRP
$550
$340
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