Which is cheaper, the Citizen Zenshin 60 Mechanical or the Seiko Prospex SPEEDTIMER Mechanical?

At MSRP the Citizen Zenshin 60 Mechanical is the cheaper of the two at $581, against $995 for the Seiko Prospex SPEEDTIMER Mechanical — a $414 gap before any retailer discounting.

Which is bigger, the Citizen Zenshin 60 Mechanical or the Seiko Prospex SPEEDTIMER Mechanical?

The Citizen Zenshin 60 Mechanical wears larger at 40.5mm versus 39.5mm for the Seiko Prospex SPEEDTIMER Mechanical — a 1mm difference across the dial.

Which has better water resistance, the Citizen Zenshin 60 Mechanical or the Seiko Prospex SPEEDTIMER Mechanical?

The Citizen Zenshin 60 Mechanical is rated to 100m versus 20m for the Seiko Prospex SPEEDTIMER Mechanical.

Which has a longer power reserve, the Citizen Zenshin 60 Mechanical or the Seiko Prospex SPEEDTIMER Mechanical?

The Seiko Prospex SPEEDTIMER Mechanical carries a 72-hour power reserve against 60 hours on the Citizen Zenshin 60 Mechanical.

What movement does the Citizen Zenshin 60 Mechanical run compared to the Seiko Prospex SPEEDTIMER Mechanical?

Both watches run automatic movements — the Citizen Zenshin 60 Mechanical uses the 8322 and the Seiko Prospex SPEEDTIMER Mechanical uses the 6R55.

Side by side

Citizen Zenshin 60 MechanicalvsSeiko Prospex SPEEDTIMER Mechanical

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

Citizen Zenshin 60 Mechanical

NK5020

MSRP $581

Seiko Prospex SPEEDTIMER Mechanical

spb513j1

MSRP $995

At a glance

13 of 29 specs differ

Diameter

Zenshin 60 Mechanical40.5mm

Prospex SPEEDTIMER Mechanical39.5mm

Power Reserve

Zenshin 60 Mechanical60h

Prospex SPEEDTIMER Mechanical72h

Water Resistance

Zenshin 60 Mechanical100m

Prospex SPEEDTIMER Mechanical200m

MSRP

Zenshin 60 Mechanical$581

Prospex SPEEDTIMER Mechanical$995

Full specifications

Case

5 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

Beige

Black

Lume

None

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

8322

6R55

Power Reserve

60h

72h

Jewels

Pricing

1 specs

MSRP

$581

$995

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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.

Citizen Zenshin 60 Mechanical

The Citizen Zenshin 60 Mechanical is widely praised for its lightweight, scratch-resistant Super Titanium case and its unique frosted dial texture, with many owners highlighting its excellent value. The Caliber 8322 movement offers a 60-hour power reserve and a small-seconds complication. Some owners find the dial lettering subpar and the integrated bracelet limits strap options, with one reviewer noting a desire for tighter movement regulation, though accuracy figures range from -20/+40 seconds per day. On balance, owners and reviewers rate the Citizen Zenshin 60 Mechanical highly for its titanium construction and dial finishing at its price point.

WatchCrunch

Monochrome

Fratello

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.

Time + Tide

Monochrome

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