Which is cheaper, the Fears Brunswick 40.5 Jump Hour or the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition?

At MSRP the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition is the cheaper of the two at $1,150, against $4,498 for the Fears Brunswick 40.5 Jump Hour — a $3,348 gap before any retailer discounting.

Which is bigger, the Fears Brunswick 40.5 Jump Hour or the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition?

The Fears Brunswick 40.5 Jump Hour wears larger at 40.5mm versus 39.5mm for the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition — a 1mm difference across the dial.

Which has better water resistance, the Fears Brunswick 40.5 Jump Hour or the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition?

The Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition is rated to 20m versus 10m for the Fears Brunswick 40.5 Jump Hour.

Which has a longer power reserve, the Fears Brunswick 40.5 Jump Hour or the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition?

The Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition carries a 72-hour power reserve against 40 hours on the Fears Brunswick 40.5 Jump Hour.

What movement does the Fears Brunswick 40.5 Jump Hour run compared to the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition?

Both watches run automatic movements — the Fears Brunswick 40.5 Jump Hour uses the Sellita SW200 and the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition uses the 6R55.

Side by side

Fears Brunswick 40.5 Jump HourvsSeiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition

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

Fears Brunswick 40.5 Jump Hour

brunswick-40-5-jump-hour-china-blue

MSRP $4,498

Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition

spb517j1

MSRP $1,150

At a glance

15 of 29 specs differ

Diameter

Brunswick 40.5 Jump Hour40.5mm

Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition39.5mm

Power Reserve

Brunswick 40.5 Jump Hour40h

Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition72h

Water Resistance

Brunswick 40.5 Jump Hour10m

Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition200m

MSRP

Brunswick 40.5 Jump Hour$4,498

Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition$1,150

Full specifications

Case

6 specs

Crystal & Dial

5 specs

Crystal

Domed Sapphire

Sapphire

Crystal Shape

Flat

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

Blue

Black

Lume

None

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

Sellita SW200

6R55

Power Reserve

40h

72h

Jewels

Pricing

1 specs

MSRP

$4,498

$1,150

Follow this matchup

Get a note when Fears Brunswick 40.5 Jump Hour vs Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition 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.

Fears Brunswick 40.5 Jump Hour

Owners widely praise the Fears Brunswick 40.5 Jump Hour's stunning aventurine dial and vintage-modern aesthetic, with some noting excellent finishing. Reviewers highlight its fun dial visuals and unique in-house jump hour module. Owners are split on legibility with the jump hour complication, and some find the 12.8mm thickness substantial for some wrists. On balance, owners and reviewers rate the Fears Brunswick 40.5 Jump Hour highly for its unique dial and jump hour complication, despite some concerns about thickness and legibility.

Hodinkee

Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition

The Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition is praised for its vintage racing concept, applied markers, and dial that shifts from cream to silver with orange accents. Owners appreciate the Datsun logo, dual crowns, and internal countdown bezel, with some noting Seiko's finishing is top-notch. However, some find the dial text cluttered, particularly "automatic 3 days," and consider the price point too high. The watch features a 42mm black-coated stainless steel case, an external tachymeter bezel, and Seiko's 8R48 automatic chronograph movement with a 45-hour power reserve. On balance, owners rate the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition well for its unique vintage concept and quality finishing, though price remains a point of contention for some.

Keep exploring