Side by side

Seaholm Flats ChronographvsSeiko Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition

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

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Flats Chronograph
SeaholmFlats Chronograph
MSRP $3,495
See the full Flats Chronograph
Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition
SeikoProspex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition
MSRP $2,400
See the full Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition
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Buy used on eBay ↗
Buy from Seiko ↗
Buy used on eBay ↗

At a glance

15 of 29 specs differ
Diameter
Flats Chronograph41mm
Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition42mm
Power Reserve
Flats Chronograph42h
Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition—
Water Resistance
Flats Chronograph200m
Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition100m
MSRP
Flats Chronograph$3,495
Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition$2,400

Full specifications

Case

6 specs
Category
—
Chronograph
Diameter
41mm
42mm
Thickness
—
12.9mm
Lug-to-Lug
—
49.6mm
Lug Width
21mm
20mm
Water Resistance
200m
100m

Crystal & Dial

4 specs
Crystal Shape
—
Curved
AR Coating
—
Super-clear coating
Dial Color
Tan
—
Lume
None
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
ETA 2894-2
5X83
Type
Automatic
Quartz
Power Reserve
42h
0h
Jewels
0
14

Pricing

1 specs
MSRP
$3,495
$2,400
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