Side by side
S.U.F Helsinki 180NNvsSeiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
180NN38.7mm
Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch39.5mm
Power Reserve
180NN42h
Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch45h
Water Resistance
180NN100m
Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch200m
MSRP
180NN$3,480
Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch$2,800
Full specifications
Case
6 specsCategory
—
Diver
Diameter
38.7mm
39.5mm
Thickness
9.4mm
12.3mm
Lug-to-Lug
46.4mm
47.2mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
100m
200m
Crystal & Dial
3 specsCrystal Shape
Flat
Box
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Soprod A10
6L37
Power Reserve
42h
45h
Jewels
25
26
Pricing
1 specsMSRP
—
$2,800
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