Side by side

Seiko Prospex SPEEDTIMER MechanicalvsSeiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition

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

At a glance

8 of 29 specs differ
Diameter
Prospex SPEEDTIMER Mechanical39.5mm
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition42mm
Power Reserve
Prospex SPEEDTIMER Mechanical72h
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition45h
Water Resistance
Prospex SPEEDTIMER Mechanical200m
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition100m
MSRP
Prospex SPEEDTIMER Mechanical$995
Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition$2,500

Full specifications

Case

4 specs
Diameter
39.5mm
42mm
Thickness
12mm
14.6mm
Lug-to-Lug
44.5mm
49.5mm
Water Resistance
200m
100m

Movement

3 specs
Caliber
6R55
8R48
Power Reserve
72h
45h
Jewels
24
34

Pricing

1 specs
MSRP
$995
$2,500

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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.

Seiko Prospex SPEEDTIMER Mechanical

The Seiko Prospex SPEEDTIMER Mechanical is praised for its visually appealing design and comfortable wearability, with owners frequently using its chronograph function for daily tasks. Reviewers note its clean dial layout and LumiBrite treated hands and markers, and one source highlights the 72-hour power reserve of the 6R55 movement. However, some owners criticize its chronograph functionality and the 24-hour subdial. On balance, owners and reviewers rate the Seiko Prospex SPEEDTIMER Mechanical highly for its daily usability and refined aesthetics.

Seiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition

Owners widely praise the Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition for its refined presence and intricate dial patterns, with some favoring its unique red dial and steel bezel over other Speedtimer models. However, some owners criticize the 24-hour subdial as useless, the date window as recessed, and the stock bracelet as difficult to fit, while others find the pushers stick out too much. One owner notes the $995 price point is high for the 6R55 movement, suggesting a lower range, though others appreciate the Seiko finishing and charm. On balance, owners rate the Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition well for its unique aesthetic and finishing, despite some functional and value concerns.

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