Side by side

Seiko Prospex SPEEDTIMER MechanicalvsZelos Starfighter Chronograph

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

Add a watch

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

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.

Zelos Starfighter Chronograph

Owners find the Zelos Starfighter Chronograph appealing, with one noting the beauty of the Aventurine dial and another praising the blue dial and lumed subdials. One owner is selling the watch to acquire other chronographs. Overall, owners appreciate the aesthetic appeal of the Zelos Starfighter Chronograph, particularly its dial options and lumed subdials.

At a glance

14 of 29 specs differ
Diameter
Prospex SPEEDTIMER Mechanical39.5mm
Starfighter Chronograph41mm
Power Reserve
Prospex SPEEDTIMER Mechanical72h
Starfighter Chronograph
Water Resistance
Prospex SPEEDTIMER Mechanical200m
Starfighter Chronograph50m
MSRP
Prospex SPEEDTIMER Mechanical$995
Starfighter Chronograph$1,799

Full specifications

Case

6 specs
Diameter
39.5mm
41mm
Thickness
12mm
11mm
Lug-to-Lug
44.5mm
41mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
50m

Crystal & Dial

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

Movement

3 specs
Caliber
Seiko 6R55
ETA 2894-2
Power Reserve
72h
0h
Jewels
24
0

Pricing

1 specs
MSRP
$995
$1,799
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

DiscussionNot started
Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.