Side by side

Feynman Timekeepers CoalescevsSeiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition

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

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Coalesce
Feynman TimekeepersCoalesce
MSRP $5,448
Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition
SeikoProspex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition
MSRP $3,000
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At a glance

14 of 29 specs differ
Diameter
Coalesce39mm
Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition42.5mm
Power Reserve
Coalesce—
Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition45h
Water Resistance
Coalesce—
Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition100m
MSRP
Coalesce$5,448
Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition$3,000

Full specifications

Case

6 specs
Category
—
Chronograph
Diameter
39mm
42.5mm
Thickness
—
15.1mm
Lug-to-Lug
—
50mm
Lug Width
—
20mm
Water Resistance
—
100m

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Panda
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Sellita SW200-1
8R46
Power Reserve
—
45h
Jewels
25
34

Pricing

1 specs
MSRP
$5,448
$3,000
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Biatec T. G. MasarykvsSeiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited EditionMaen Manhattan 37 IFL EditionvsSeiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited EditionBeaufort Permian RiftvsSeiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited EditionHoraPictor Totem CiphervsSeiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited EditionBremont Terra Nova 42.5 ChronographvsFeynman Timekeepers CoalesceFeynman Timekeepers CoalescevsWilliam Wood Triumph Chronograph
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