Side by side

Citizen BrycenvsSeiko 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.

At a glance

11 of 29 specs differ
Diameter
Brycen42mm
Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition42mm
Power Reserve
Brycen40h
Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition40h
Water Resistance
Brycen100m
Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition100m
MSRP
Brycen$394
Prospex SPEEDTIMER Seiko Brand 100th Anniversary SPEEDTIMER Limited Edition$2,400

Full specifications

Case

4 specs
Category
Diver
Chronograph
Thickness
12mm
12.9mm
Lug-to-Lug
46mm
49.6mm
Lug Width
22mm
20mm

Crystal & Dial

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

Movement

3 specs
Caliber
J810
5X83
Type
Solar
Quartz
Jewels
25
14

Pricing

1 specs
MSRP
$394
$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.

Citizen Brycen

The Citizen Brycen is praised for its excellent accuracy, with one owner reporting less than 1 second deviation per day, and its retro racing chronograph aesthetic featuring oversized pushers and a detailed crown. Reviewers note its barrel-shaped Super Titanium case with polished bevels and brushed surfaces, a flat sapphire crystal, and a vertically oriented two-register chronograph dial. Owners widely report the mesh bracelet pulls hairs, necessitating a strap change. The static bezel, 100m water resistance, and the date window's poor color contrast making it difficult to read are flagged as drawbacks. On balance, owners and reviewers appreciate the Citizen Brycen's aesthetic and accuracy, though the bracelet comfort and date legibility present notable trade-offs.

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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