Side by side

Citizen Zenshin ChronovsSeiko Prospex SPEEDTIMER Mechanical Chronograph

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

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 Chrono

The Citizen Zenshin Chrono is widely praised for its comfortable, lightweight Super Titanium build and its attractive, textured dials in various colors. Owners and reviewers alike highlight its clean 3/6/9 layout and retro-inspired, Genta-esque aesthetic. The Eco-Drive quartz chronograph movement, 100m water resistance, and sapphire crystal are noted features. Some owners find the integrated bracelet's end link extends the lug-to-lug feel, and the clasp is described as flimsy with limited micro-adjustment. The subdials are considered small relative to the bezel by one reviewer, and another expressed a desire for a 12-hour chronograph. The lume is reported to be short-lived. Overall, the Citizen Zenshin Chrono is considered excellent value, praised for its comfortable wearability and distinctive dial design.

Seiko Prospex SPEEDTIMER Mechanical Chronograph

The Seiko Prospex SPEEDTIMER Mechanical Chronograph is praised for its handsome, heritage-inspired design with a clean, balanced dial and an external tachymeter bezel. Reviewers highlight the upgraded case and bracelet, noting improved comfort and good value for a well-designed chronograph with an in-house movement. The caliber 8R48 movement features a vertical clutch and column wheel with MEMS technology for durability and precision. Points to consider include the 4:30 date window and a 14.6mm thickness, while the 45-hour power reserve is noted as an area for potential improvement. On balance, reviewers find the Seiko Prospex SPEEDTIMER Mechanical Chronograph to be a solid offering with good value, particularly for its design and in-house movement.

At a glance

14 of 29 specs differ
Diameter
Zenshin Chrono42.5mm
Prospex SPEEDTIMER Mechanical Chronograph42mm
Power Reserve
Zenshin Chrono
Prospex SPEEDTIMER Mechanical Chronograph45h
Water Resistance
Zenshin Chrono100m
Prospex SPEEDTIMER Mechanical Chronograph100m
MSRP
Zenshin Chrono$488
Prospex SPEEDTIMER Mechanical Chronograph$2,500

Full specifications

Case

5 specs
Diameter
42.5mm
42mm
Thickness
0mm
14.6mm
Lug-to-Lug
0mm
49.5mm
Lug Width
0mm
20mm
Material
Super Titanium
Stainless Steel

Crystal & Dial

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

Movement

4 specs
Caliber
B620
8R48
Type
Solar
Automatic
Power Reserve
0h
45h
Jewels
0
34

Pricing

1 specs
MSRP
$488
$2,500
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