Side by side

Seiko Prospex SPEEDTIMER MechanicalvsStraton Straton Syncro Sports day/date Automatic

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.

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.

Straton Syncro Sports day/date Automatic

Owners widely praise the Straton Syncro's exceptional finishing, retro design, and well-balanced dial, with one owner calling it Straton's best work. The fully-lumed dial is a significant draw for legibility, though one forum user notes the white dial's lume can cast a cool tone. Criticisms include a busy bezel design with difficult-to-read markings, applied numerals that reduce legibility, and a polished Milanese bracelet that contrasts with the brushed case. The NH36 movement is considered reliable but not highly accurate, and the 40mm case wears larger than its dimensions. The watch is approximately 15mm thick, which may present wearability issues with long sleeves. On balance, owners and reviewers highlight the Straton Syncro's impressive finishing and distinctive retro design as its strongest attributes.

At a glance

11 of 29 specs differ
Diameter
Prospex SPEEDTIMER Mechanical39.5mm
Straton Syncro Sports day/date Automatic40mm
Power Reserve
Prospex SPEEDTIMER Mechanical72h
Straton Syncro Sports day/date Automatic
Water Resistance
Prospex SPEEDTIMER Mechanical200m
Straton Syncro Sports day/date Automatic200m
MSRP
Prospex SPEEDTIMER Mechanical$995
Straton Syncro Sports day/date Automatic$499

Full specifications

Case

4 specs
Diameter
39.5mm
40mm
Thickness
12mm
13mm
Lug-to-Lug
44.5mm
49mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

3 specs
Crystal Shape
Curved
AR Coating
Anti-reflective coating on inner surface
Yes
Lume
LumiBrite on hands and index(es)
None

Movement

3 specs
Caliber
6R55
NH36
Power Reserve
72h
0h
Jewels
24
0

Pricing

1 specs
MSRP
$995
$499
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