Seiko Prospex 1968 Mechanical Divers Modern DesignvsU-Boat Sommerso 46mm DLC
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Prospex 1968 Mechanical Divers Modern Design

Sommerso 46mm DLC
Diameter
44mm
46mm
Thickness
13.1mm
n/a
Water Resistance
200m
300m
highest
Power Reserve
50h
n/a
MSRP
$570
lowest
$3,700
Movement
Seiko 6R15
Sellita SW200-1
Case
4 specsDiameter
44mm
46mm
Thickness
13.1mm
n/a
Lug Width
n/a
20mm
Water Resistance
200m
300m
Movement
3 specsCaliber
Seiko 6R15
Sellita SW200-1
Beat Rate
21,600 vph
0 vph
Power Reserve
50h
0h
Pricing
1 specsMSRP
$570
$3,700
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