Seiko Prospex SpeedtimervsTrintec NAV-01 Chronograph Stainless Quartz
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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 Speedtimer

NAV-01 Chronograph Stainless Quartz
Diameter
41.4mm
42mm
Lug-to-Lug
45.9mm
lowest
54mm
Thickness
13mm
13mm
Water Resistance
100m
100m
MSRP
$750
$450
lowest
Movement
Seiko V192
Miyota OS20
Case
3 specsDiameter
41.4mm
42mm
Lug-to-Lug
45.9mm
54mm
Lug Width
21mm
22mm
Crystal & Dial
4 specsCrystal Shape
Curved
n/a
AR Coating
Anti-reflective coating on inner surface
n/a
Dial Color
White
n/a
Lume
LumiBrite on hands and index(es)
None
Movement
1 specsCaliber
Seiko V192
Miyota OS20
Pricing
1 specsMSRP
$750
$450
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