Side by side

Christopher Ward C63 Sealander RocksvsSeiko Prospex SPEEDTIMER Mechanical

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

C63 Sealander Rocks
Christopher WardC63 Sealander Rocks
MSRP $1,350
Prospex SPEEDTIMER Mechanical
SeikoProspex SPEEDTIMER Mechanical
MSRP $995

At a glance

14 of 29 specs differ
Diameter
C63 Sealander Rocks40mm
Prospex SPEEDTIMER Mechanical39.5mm
Power Reserve
C63 Sealander Rocks38h
Prospex SPEEDTIMER Mechanical72h
Water Resistance
C63 Sealander Rocks150m
Prospex SPEEDTIMER Mechanical200m
MSRP
C63 Sealander Rocks$1,350
Prospex SPEEDTIMER Mechanical$995

Full specifications

Case

5 specs
Category
Sport
Chronograph
Diameter
40mm
39.5mm
Thickness
11.05mm
12mm
Lug-to-Lug
42.87mm
44.5mm
Water Resistance
150m
200m

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Yellow
Black
Lume
SLN X1 BL C1
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
SW200-1
6R55
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
72h
Jewels
26
24

Pricing

1 specs
MSRP
$1,350
$995

Follow this matchup

Get a note when Christopher Ward C63 Sealander Rocks vs Seiko Prospex SPEEDTIMER Mechanical gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

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

Christopher Ward C63 Sealander Rocks

Owners widely praise the Christopher Ward C63 Sealander Rocks for its excellent wearability, comfort, and build quality for the price, with many highlighting its refined dial and versatile design. The 36mm case is noted as wearing well on smaller wrists, and the robust bracelet offers on-the-fly adjustment. Some owners find the branding prominent or the dial too white, and one owner experienced difficulty adjusting the time on their 36mm model. The Sellita SW200-1 movement provides a 38-hour power reserve. On balance, owners and reviewers rate the Christopher Ward C63 Sealander Rocks highly for its exceptional wearability and refined dial at its price point.

From video reviewers

The dial finishing and unique stone dial options are strong points. The 36mm case size is a shared feature. Reviewers questioned its value proposition against other watches under $1,000.

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.

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.

Adjacent matchups

People also compared

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