Side by side

Breitling Top Time B31vsSeiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch

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

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Top Time B31
BreitlingTop Time B31
MSRP $5,850
See the full Top Time B31
Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch
SeikoProspex Marinemaster Marinemaster 1965 Heritage Diver's Watch
MSRP $2,800
See the full Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch
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At a glance

14 of 29 specs differ
Diameter
Top Time B3138mm
Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch39.5mm
Power Reserve
Top Time B31—
Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch45h
Water Resistance
Top Time B31100m
Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch200m
MSRP
Top Time B31$5,850
Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch$2,800

Full specifications

Case

6 specs
Category
—
Diver
Diameter
38mm
39.5mm
Thickness
10.31mm
12.3mm
Lug-to-Lug
0mm
47.2mm
Lug Width
0mm
20mm
Water Resistance
100m
200m

Crystal & Dial

4 specs
Crystal Shape
—
Box
AR Coating
—
Anti-reflective coating on inner surface
Dial Color
—
—
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
—
Seiko 6L37
Power Reserve
0h
45h
Jewels
0
26

Pricing

1 specs
MSRP
$5,850
$2,800
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