Side by side
Seestern S471 Double Crown DivervsSpinnaker Dumas GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
S471 Double Crown Diver38mm
Dumas GMT44mm
Power Reserve
S471 Double Crown Diver35h+h
Dumas GMT40h
Water Resistance
S471 Double Crown Diver100m
Dumas GMT300m
MSRP
S471 Double Crown Diver$179
Dumas GMT$399
Full specifications
Case
6 specsCategory
Diver
GMT
Diameter
38mm
44mm
Thickness
12mm
15mm
Lug-to-Lug
40.3mm
48mm
Lug Width
20mm
22mm
Water Resistance
100m
300m
Movement
5 specsCaliber
Miyota 8215
Seiko NH34A
Beat Rate
3 vph
28,800 vph
Power Reserve
35h+h
40h
Jewels
21
25
Complications
Date
None
Pricing
1 specsMSRP
$179
$399
Follow this matchup
Get a note when Seestern S471 Double Crown Diver vs Spinnaker Dumas GMT 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.