Side by side
Seiko Prospex Sea 1968 Heritage Diver's GMTvsUndone x Birdwell Beige Automatic
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
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At a glance
14 of 29 specs differDiameter
Prospex Sea 1968 Heritage Diver's GMT42mm
x Birdwell Beige Automatic43mm
Power Reserve
Prospex Sea 1968 Heritage Diver's GMT72h
x Birdwell Beige Automatic—
Water Resistance
Prospex Sea 1968 Heritage Diver's GMT200m
x Birdwell Beige Automatic300m
MSRP
Prospex Sea 1968 Heritage Diver's GMT$1,500
x Birdwell Beige Automatic$500
Full specifications
Case
6 specsCategory
Diver
—
Diameter
42mm
43mm
Thickness
12.9mm
0mm
Lug-to-Lug
48.6mm
0mm
Lug Width
20mm
0mm
Water Resistance
200m
300m
Crystal & Dial
4 specsCrystal
Sapphire
—
AR Coating
Anti-reflective coating on inner surface
—
Dial Color
—
—
Lume
LumiBrite on hands, index(es) and bezel
None
Movement
3 specsCaliber
Seiko 6R54
Seiko NH35
Power Reserve
72h
—
Jewels
24
0
Pricing
1 specsMSRP
$1,500
$500
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