Side by side

Praesidus DD-45vsSeiko 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.

DD-45
PraesidusDD-45
MSRP $299

At a glance

13 of 29 specs differ
Diameter
DD-4540mm
Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition42mm
Power Reserve
DD-4540h
Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition40h
Water Resistance
DD-45100m
Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition100m
MSRP
DD-45$299
Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition$2,400

Full specifications

Case

5 specs
Category
Field
Chronograph
Diameter
40mm
42mm
Thickness
12.9mm
Lug-to-Lug
46.5mm
49.6mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

5 specs
Crystal
Domed Sapphire
Sapphire
Crystal Shape
Flat
Curved
AR Coating
Inner
Super-clear coating
Dial Color
OG
Black
Lume
None
LumiBrite on hands and index(es)

Movement

2 specs
Caliber
Ameriquartz USA
5X83
Jewels
25
14

Pricing

1 specs
MSRP
$299
$2,400

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Praesidus DD-45

The Praesidus DD-45 is lauded for its detailed vintage-inspired design and solid finishing, with reviewers highlighting the impressive aged indices and hands on the "Patina" version and a well-finished 38mm steel case. Its 100-meter water resistance exceeds that of the original military watches, and the included leather strap is praised for its quality and vintage character, despite initial stiffness. One reviewer notes the Landeron movement exhibits jerky hand-winding. Overall, reviewers rate the Praesidus DD-45 highly for its faithful vintage aesthetic and robust build at its $900 price point.

Seiko Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition

The Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition is praised for its retro design, balanced 42mm case, good finishing, and sapphire crystal. It is powered by the calibre 8R48, featuring a column wheel and vertical clutch, and offers 100m water resistance. Some find its 45-hour power reserve short compared to modern alternatives, and the date window placement is a point of discussion. The solar-powered variant is noted for its compact proportions and character, though some desire thinner cases and improved bracelet micro-adjustment. Overall, owners and reviewers appreciate the SPEEDTIMER's vintage-inspired aesthetics and solid build, with critiques focusing on power reserve and minor functional details.

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