Which is cheaper, the Fears Brunswick 40.5 Jump Hour or the Seiko Prospex SPEEDTIMER Mechanical?

At MSRP the Seiko Prospex SPEEDTIMER Mechanical is the cheaper of the two at $995, against $4,498 for the Fears Brunswick 40.5 Jump Hour — a $3,503 gap before any retailer discounting.

Which is bigger, the Fears Brunswick 40.5 Jump Hour or the Seiko Prospex SPEEDTIMER Mechanical?

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

Which has better water resistance, the Fears Brunswick 40.5 Jump Hour or the Seiko Prospex SPEEDTIMER Mechanical?

The Seiko Prospex SPEEDTIMER Mechanical 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?

The Seiko Prospex SPEEDTIMER Mechanical 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?

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

Side by side

Fears Brunswick 40.5 Jump HourvsSeiko Prospex SPEEDTIMER Mechanical

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

spb513j1

MSRP $995

At a glance

15 of 29 specs differ

Diameter

Brunswick 40.5 Jump Hour40.5mm

Prospex SPEEDTIMER Mechanical39.5mm

Power Reserve

Brunswick 40.5 Jump Hour40h

Prospex SPEEDTIMER Mechanical72h

Water Resistance

Brunswick 40.5 Jump Hour10m

Prospex SPEEDTIMER Mechanical200m

MSRP

Brunswick 40.5 Jump Hour$4,498

Prospex SPEEDTIMER Mechanical$995

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

$995

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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.

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

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.

Time + Tide

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