Side by side
Seiko Prospex SPEEDTIMER MechanicalvsTedoro Harmony 36mm Stainless Steel Seiko NH35A
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
Prospex SPEEDTIMER Mechanical39.5mm
Harmony 36mm Stainless Steel Seiko NH35A36mm
Power Reserve
Prospex SPEEDTIMER Mechanical72h
Harmony 36mm Stainless Steel Seiko NH35A41h
Water Resistance
Prospex SPEEDTIMER Mechanical200m
Harmony 36mm Stainless Steel Seiko NH35A100m
MSRP
Prospex SPEEDTIMER Mechanical$995
Harmony 36mm Stainless Steel Seiko NH35A$495
Full specifications
Case
6 specsCategory
Chronograph
—
Diameter
39.5mm
36mm
Thickness
12mm
—
Lug-to-Lug
44.5mm
—
Lug Width
20mm
—
Water Resistance
200m
100m
Crystal & Dial
4 specsCrystal Shape
Curved
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Burgundy
Lume
LumiBrite on hands and index(es)
None
Movement
3 specsCaliber
6R55
Seiko NH35A
Power Reserve
72h
41h
Jewels
24
25
Pricing
1 specsMSRP
$995
$495
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