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Dumoreau Monopusher ChronographvsSeiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

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

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Monopusher Chronograph
DumoreauMonopusher Chronograph
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
SeikoProspex Sea 1970 Heritage Diver's Black Series Limited Edition
MSRP $3,300
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Buy used on eBay ↗
Buy from Seiko ↗
Buy used on eBay ↗

At a glance

13 of 29 specs differ
Diameter
Monopusher Chronograph40mm
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm
Power Reserve
Monopusher Chronograph63h
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h
Water Resistance
Monopusher Chronograph100m
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m
MSRP
Monopusher Chronograph—
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300

Full specifications

Case

5 specs
Category
—
Diver
Diameter
40mm
44mm
Thickness
12.5mm
13mm
Lug-to-Lug
46mm
49.3mm
Water Resistance
100m
200m

Crystal & Dial

3 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

4 specs
Caliber
Sellita SW510-M-MPC-B
8L35
Type
Manual
Automatic
Power Reserve
63h
50h
Jewels
25
26

Pricing

1 specs
MSRP
—
$3,300
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