Side by side

Orient Star Mechanical Moon PhasevsSeiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition

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

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Mechanical Moon Phase
Orient StarMechanical Moon Phase
MSRP $1,590
See the full Mechanical Moon Phase
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition
SeikoProspex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition
MSRP $1,400
See the full Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition
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Buy used on eBay ↗
Buy from Seiko ↗
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At a glance

15 of 29 specs differ
Diameter
Mechanical Moon Phase41mm
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition40mm
Power Reserve
Mechanical Moon Phase50h
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition72h
Water Resistance
Mechanical Moon Phase100m
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition300m
MSRP
Mechanical Moon Phase$1,590
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition$1,400

Full specifications

Case

7 specs
Category
Mechanical
Diver
Diameter
41mm
40mm
Thickness
13.1mm
13mm
Lug-to-Lug
48.5mm
46.4mm
Lug Width
21mm
20mm
Finish
—
—
Water Resistance
100m
300m

Crystal & Dial

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

Movement

3 specs
Caliber
Orient F7M63
Seiko 6R55
Power Reserve
50h
72h
Jewels
22
24

Pricing

1 specs
MSRP
$1,590
$1,400
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