Side by side

Glycine Combat Sub Chronograph SportvsSeiko Prospex SPEEDTIMER

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.

Glycine Combat Sub Chronograph Sport

Owners widely praise the Glycine Combat Sub Chronograph Sport for its exceptional value as a Swiss automatic diver, highlighting its refined finishing, thin profile at around 10.4-10.8mm, and accurate movements. The watch is noted for its comfortable wearability, with downward-curving lugs on the 42mm case making it wear smaller than its dimensions suggest, and its unique aesthetic is appreciated for avoiding homage designs. Some owners dislike the "COMBAT" text on the dial and find the original strap or bracelet to be lacking, though it is considered a versatile "strap monster." The lume is described as sub-par by one owner, and another noted an inconsistent power reserve. There is a design critique regarding the date window placement, with one owner calling it a significant flaw while another finds it acceptable due to its alignment with the crown.

Seiko Prospex SPEEDTIMER

Owners widely praise the Seiko Prospex SPEEDTIMER's gorgeous, unique red dial and vintage-inspired design, finding it a sturdy and reliable everyday watch. Some owners, however, question the value proposition at around $700 for a solar quartz model, citing its 13-15mm thickness and the 24-hour subdial as drawbacks. Accuracy figures vary, with one owner reporting +1/+2 seconds per day, while another notes the V192 solar movement offers a six-month power reserve. Overall, owners and reviewers find the Seiko Prospex SPEEDTIMER a capable and versatile chronograph, with its striking dial and everyday wearability being the most frequently cited strengths.

From video reviewers

The Seiko Prospex SPEEDTIMER's solar movement provides reliable power without battery replacements and accurate timekeeping, with a claimed accuracy of ±15 seconds per month. A notable trade-off is the watch's slightly thicker profile and somewhat lacking lume brightness. Reviewers disagree on whether the bezel action is smooth and clicky, with one reviewer praising it and the other not mentioning it.

At a glance

18 of 29 specs differ
Diameter
Combat Sub Chronograph Sport43mm
Prospex SPEEDTIMER39mm
Power Reserve
Combat Sub Chronograph Sport
Prospex SPEEDTIMER
Water Resistance
Combat Sub Chronograph Sport200m
Prospex SPEEDTIMER100m
MSRP
Combat Sub Chronograph Sport$1,295
Prospex SPEEDTIMER$725

Full specifications

Case

7 specs
Diameter
43mm
39mm
Thickness
12mm
13.3mm
Lug-to-Lug
45.5mm
Lug Width
22mm
20mm
Finish
Water Resistance
200m
100m
Caseback

Crystal & Dial

5 specs
Crystal Shape
Curved
AR Coating
Anti-reflective coating on inner surface
Dial Color
Indices
Lume
Luminous
LumiBrite on hands and index(es)

Movement

5 specs
Caliber
5040.D
V192
Beat Rate
0 vph
Power Reserve
0h
Jewels
13
0
Complications
Date, Chronograph
None

Pricing

1 specs
MSRP
$1,295
$725
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