Side by side
S.U.F Helsinki 180 ProtoxvsSeiko Prospex SPEEDTIMER Mechanical
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
180 Protox38.7mm
Prospex SPEEDTIMER Mechanical39.5mm
Power Reserve
180 Protox42h
Prospex SPEEDTIMER Mechanical72h
Water Resistance
180 Protox100m
Prospex SPEEDTIMER Mechanical200m
MSRP
180 Protox$2,588
Prospex SPEEDTIMER Mechanical$995
Full specifications
Case
6 specsCategory
—
Chronograph
Diameter
38.7mm
39.5mm
Thickness
9.4mm
12mm
Lug-to-Lug
46.4mm
44.5mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
100m
200m
Crystal & Dial
3 specsCrystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands and index(es)
Movement
3 specsCaliber
Soprod A10
6R55
Power Reserve
42h
72h
Jewels
25
24
Pricing
1 specsMSRP
—
$995
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