Which is cheaper, the Sheffield 1A or the Tuseno Blackwater?

At MSRP the Sheffield 1A is the cheaper of the two at $223, against $999 for the Tuseno Blackwater — a $776 gap before any retailer discounting.

Which is bigger, the Sheffield 1A or the Tuseno Blackwater?

The Tuseno Blackwater wears larger at 40.5mm versus 40mm for the Sheffield 1A — a 0.5mm difference across the dial.

What movement does the Sheffield 1A run compared to the Tuseno Blackwater?

Both watches run automatic movements — the Sheffield 1A uses the Seiko NH35A and the Tuseno Blackwater uses the SW200-1.

Side by side

Sheffield 1AvsTuseno Blackwater

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

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Sheffield 1A

diver-1a-40mm-white

MSRP $223

Tuseno Blackwater

blackwater

MSRP $999

At a glance

9 of 29 specs differ

Diameter

1A40mm

Blackwater40.5mm

Power Reserve

1A—

Blackwater—

Water Resistance

1A200m

Blackwater200m

MSRP

1A$223

Blackwater$999

Full specifications

Case

5 specs

Crystal & Dial

2 specs

Dial Color

White/Blue

Black

Lume

Swiss blue lume

BGW9 Swiss Super-LumiNova

Movement

1 specs

Caliber

Seiko NH35A

SW200-1

Pricing

1 specs

MSRP

$223

$999

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Sheffield 1AvsTuseno Blackwater

At a glance

Full specifications

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