Riley Watch Co Studio MoonphasevsSeiko Diamond Collection

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Studio Moonphase
Riley Watch CoStudio Moonphase

MSRP $334

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Buy from Riley Watch Co Used on eBay
Diamond Collection
SeikoDiamond Collection

MSRP $475

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Buy from Seiko Used on eBay

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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.

Riley Watch Co Studio Moonphase at true scale

Studio Moonphase

Seiko Diamond Collection at true scale

Diamond Collection

Diameter

34mm

27mm

Lug-to-Lug

40.5mm

n/a

Thickness

8.8mm

7.5mm

lowest

Water Resistance

50m

50m

MSRP

$334

lowest

$475

Movement

Ronda 708

Seiko V-series (quartz)

Case

4 specs
Diameter
34mm
27mm
Thickness
8.8mm
7.5mm
Lug-to-Lug
40.5mm
n/a
Lug Width
n/a
6mm

Crystal & Dial

3 specs
Crystal
Mineral
Hardlex
Dial Color
n/a
n/a
Lume
None
LumiBrite on hands and index(es)

Movement

1 specs
Caliber
Ronda 708
Seiko V-series (quartz)

Pricing

1 specs
MSRP
$334
$475
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