Side by side

Seiko Prospex SPEEDTIMER Mechanical ChronographvsWolbrook Skindiver II Automatic

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

Skindiver II Automatic
WolbrookSkindiver II Automatic
MSRP $579

At a glance

14 of 29 specs differ
Diameter
Prospex SPEEDTIMER Mechanical Chronograph42mm
Skindiver II Automatic40mm
Power Reserve
Prospex SPEEDTIMER Mechanical Chronograph45h
Skindiver II Automatic40h
Water Resistance
Prospex SPEEDTIMER Mechanical Chronograph100m
Skindiver II Automatic200m
MSRP
Prospex SPEEDTIMER Mechanical Chronograph$2,500
Skindiver II Automatic$579

Full specifications

Case

6 specs
Category
Chronograph
Diver
Diameter
42mm
40mm
Thickness
14.6mm
12.7mm
Lug-to-Lug
49.5mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
Crystal Shape
Curved
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Lume
LumiBrite on hands and index(es)
None

Movement

3 specs
Caliber
8R48
Miyota 9015
Power Reserve
45h
40h
Jewels
34
25

Pricing

1 specs
MSRP
$2,500
$579

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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.

Seiko Prospex SPEEDTIMER Mechanical Chronograph

The Seiko Prospex SPEEDTIMER Mechanical Chronograph is praised for its handsome, heritage-inspired design with a clean, balanced dial and an external tachymeter bezel. Reviewers highlight the upgraded case and bracelet, noting improved comfort and good value for a well-designed chronograph with an in-house movement. The caliber 8R48 movement features a vertical clutch and column wheel with MEMS technology for durability and precision. Points to consider include the 4:30 date window and a 14.6mm thickness, while the 45-hour power reserve is noted as an area for potential improvement. On balance, reviewers find the Seiko Prospex SPEEDTIMER Mechanical Chronograph to be a solid offering with good value, particularly for its design and in-house movement.

Wolbrook Skindiver II Automatic

Owners widely praise the Wolbrook Skindiver II Automatic for its retro aesthetic, comfortable 40mm wearability, and legible dial with faux patina, with the brushed finish, drilled lugs, and included Beads of Rice bracelet and tropic strap being highlighted. The watch features a Citizen/Miyota 8315 movement, adjusted in France to ±15 seconds per day, offering a 60-hour power reserve and 200m water resistance with a box sapphire crystal. Some owners note the 20mm strap size as potentially problematic, and Wolbrook's policy of not honoring the warranty on resold watches is a significant criticism. On balance, owners and reviewers rate the Wolbrook Skindiver II Automatic highly for its compelling retro design and solid build at its price point.

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