Side by side

Breitling Navitimer B01 Chronograph 43vsSeiko Prospex SPEEDTIMER

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

Navitimer B01 Chronograph 43
BreitlingNavitimer B01 Chronograph 43
MSRP $10,450
Prospex SPEEDTIMER
SeikoProspex SPEEDTIMER
MSRP $3,000
What people say

Owners + reviewers, side by side

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

Breitling Navitimer B01 Chronograph 43

Owners widely report the Breitling Navitimer B01 Chronograph 43 wears smaller than its 43mm diameter, fitting well on wrists around 175mm to 190mm, with some finding it suitable for smaller wrists. Reviewers and owners praise the appealing color schemes, particularly the ice blue and white dials, and the snappy chronograph action of the Caliber 01 movement. Some owners report quality issues with the chronograph function requiring repairs, while others have had no problems over several years. On balance, owners and reviewers rate the Breitling Navitimer B01 Chronograph 43 highly for its comfortable wearability and attractive dial aesthetics.

Seiko Prospex SPEEDTIMER

Owners widely praise the Seiko Prospex SPEEDTIMER for its attractive vintage-inspired design and compact 39mm size, with one owner finding the red dial unique and gorgeous. Reviewers and owners note the solar-powered quartz movement, with one owner considering $700 expensive for this specification and another wishing for a thinner case. The SPEEDTIMER is described as a sturdy and reliable everyday watch, though one owner questioned its resale value. Overall, owners and reviewers appreciate the Seiko Prospex SPEEDTIMER for its stylish, compact design and solar functionality, despite some finding the price point and case thickness slightly high.

At a glance

18 of 29 specs differ
Diameter
Navitimer B01 Chronograph 4346mm
Prospex SPEEDTIMER42.5mm
Power Reserve
Navitimer B01 Chronograph 4370h
Prospex SPEEDTIMER45h
Water Resistance
Navitimer B01 Chronograph 4330m
Prospex SPEEDTIMER100m
MSRP
Navitimer B01 Chronograph 43$10,450
Prospex SPEEDTIMER$3,000

Full specifications

Case

7 specs
Diameter
46mm
42.5mm
Thickness
14.22mm
15.1mm
Lug-to-Lug
46mm
50mm
Lug Width
22mm
20mm
Finish
Stainless steel
Brushed and polished
Water Resistance
30m
100m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Curved
AR Coating
Anti-reflective coating on inner surface
Dial Color
Black
Indices
Applied
Lume
None
LumiBrite on hands and index(es)

Movement

5 specs
Caliber
Breitling B01
8R46
Beat Rate
0 vph
28,800 vph
Power Reserve
70h
45h
Jewels
0
34
Complications
Chronograph
None

Pricing

1 specs
MSRP
$10,450
$3,000
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