Side by side

Fears Brunswick 40.5 Jump HourvsSeiko Astron

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

Brunswick 40.5 Jump Hour
FearsBrunswick 40.5 Jump Hour
MSRP $4,498
Astron
SeikoAstron
MSRP $3,100

At a glance

16 of 29 specs differ
Diameter
Brunswick 40.5 Jump Hour40.5mm
Astron44.1mm
Power Reserve
Brunswick 40.5 Jump Hour40h
Astron40h
Water Resistance
Brunswick 40.5 Jump Hour10m
Astron100m
MSRP
Brunswick 40.5 Jump Hour$4,498
Astron$3,100

Full specifications

Case

7 specs
Category
Dress
Chronograph
Diameter
40.5mm
44.1mm
Thickness
12.8mm
14.4mm
Lug-to-Lug
47mm
50mm
Lug Width
20mm
14mm
Material
316L Stainless Steel
Titanium
Water Resistance
10m
100m

Crystal & Dial

5 specs
Crystal
Domed Sapphire
Sapphire
Crystal Shape
Flat
Curved
AR Coating
Inner
Super-clear coating
Dial Color
Blue
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Sellita SW200
5X83
Type
Automatic
Quartz
Jewels
25
14

Pricing

1 specs
MSRP
$4,498
$3,100

Follow this matchup

Get a note when Fears Brunswick 40.5 Jump Hour vs Seiko Astron 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.

Seiko Astron

Owners widely praise the Seiko Astron for its spectacular technology, self-sufficiency, and grab-and-go convenience, with one owner calling it the best watch they have ever had. Reviewers and owners highlight the detailed and well-managed dials, often with "Grand Seiko-esque" precision, and appreciate the comfortable, lightweight titanium construction. The solar-powered quartz movement with GPS time sync is a significant draw, offering accurate timekeeping. However, the price point of around €2250-€2400 is frequently cited as high for a quartz watch. Some owners note manual DST implementation, dependence on outdoor conditions or radio tower proximity for GPS sync, and sparse lume. One owner experienced the minute hand sitting slightly off and found the recessed buttons difficult to operate. Accuracy figures vary, with some reporting +/- 15 seconds per month without GPS, while others note autonomous quartz movement accuracy of up to 1/2 second per day.

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.