Which is bigger, the Sheffield Solar or the Seiko Prospex Sea?

The Seiko Prospex Sea wears larger at 41mm versus 40mm for the Sheffield Solar — a 1mm difference across the dial.

What movement does the Sheffield Solar run compared to the Seiko Prospex Sea?

The Sheffield Solar runs a solar caliber (Miyota 2070), while the Seiko Prospex Sea runs a automatic (Seiko 6R35).

Side by side

Sheffield SolarvsSeiko Prospex Sea

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

MSRP $900

See the full Prospex Sea

At a glance

12 of 29 specs differ

Diameter

Solar40mm

Prospex Sea41mm

Power Reserve

Solar—

Prospex Sea70h

Water Resistance

Solar200m

Prospex Sea200m

MSRP

Solar—

Prospex Sea$900

Full specifications

Case

3 specs

Diameter

40mm

41mm

Thickness

13mm

12.3mm

Lug-to-Lug

48mm

46.9mm

Crystal & Dial

4 specs

Crystal Shape

—

Curved

AR Coating

—

Anti-reflective coating on inner surface

Dial Color

Black

—

Lume

Swiss lume

LumiBrite on hands, index(es) and bezel

Movement

4 specs

Caliber

Miyota 2070

Seiko 6R35

Type

Solar

Automatic

Power Reserve

—

70h

Jewels

Pricing

1 specs

MSRP

—

$900

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Sheffield SolarvsSeiko Prospex Sea

At a glance

Full specifications

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