Side by side

Orient Star M45 F7 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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M45 F7 Mechanical Moon Phase
Orient StarM45 F7 Mechanical Moon Phase
MSRP $1,590
See the full M45 F7 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 from Seiko ↗
Buy used on eBay ↗

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At a glance

14 of 29 specs differ
Diameter
M45 F7 Mechanical Moon Phase41mm
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition40mm
Power Reserve
M45 F7 Mechanical Moon Phase50h
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition72h
Water Resistance
M45 F7 Mechanical Moon Phase50m
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition300m
MSRP
M45 F7 Mechanical Moon Phase$1,590
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition$1,400

Full specifications

Case

6 specs
Category
Mechanical
Diver
Diameter
41mm
40mm
Thickness
13.8mm
13mm
Lug-to-Lug
49mm
46.4mm
Finish
—
—
Water Resistance
50m
300m

Crystal & Dial

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

Movement

3 specs
Caliber
Orient F7M65
Seiko 6R55
Power Reserve
50h
72h
Jewels
22
24

Pricing

1 specs
MSRP
$1,590
$1,400
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