Side by side

Citizen Promaster Skyhawk A-TvsSeiko 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.

What people say

Owners + reviewers, side by side

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

Citizen Promaster Skyhawk A-T

The Citizen Promaster Skyhawk A-T is praised for its lightweight titanium construction and anti-reflective sapphire crystal. Reviewers note its comprehensive features including radio-controlled atomic timekeeping, a perpetual calendar, and multiple sub-dials for various time zones and functions. Some owners report readability issues with black hands on certain models, while others find the titanium versions wear comfortably, contrasting with the perceived heft of stainless steel variants. The 45mm stainless steel case is detailed with polished chamfers, brushed finishing, and a bidirectional bezel with a slide rule. Overall, owners and reviewers appreciate the Citizen Promaster Skyhawk A-T for its extensive functionality and durable build at its 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.

At a glance

11 of 29 specs differ
Diameter
Promaster Skyhawk A-T42mm
Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition42mm
Power Reserve
Promaster Skyhawk A-T40h
Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition40h
Water Resistance
Promaster Skyhawk A-T100m
Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition100m
MSRP
Promaster Skyhawk A-T$1,500
Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition$2,400

Full specifications

Case

4 specs
Category
Pilot
Chronograph
Thickness
12mm
12.9mm
Lug-to-Lug
46mm
49.6mm
Material
Super Titanium
Stainless Steel

Crystal & Dial

3 specs
Crystal Shape
Flat
Curved
AR Coating
Underside
Super-clear coating
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
H800
5X83
Type
Solar
Quartz
Jewels
25
14

Pricing

1 specs
MSRP
$1,500
$2,400
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