Which is cheaper, the Sheffield 1A 38 or the Tuseno Blackwater?

At MSRP the Sheffield 1A 38 is the cheaper of the two at $238, against $999 for the Tuseno Blackwater — a $761 gap before any retailer discounting.

Which is bigger, the Sheffield 1A 38 or the Tuseno Blackwater?

The Tuseno Blackwater wears larger at 40.5mm versus 38mm for the Sheffield 1A 38 — a 2.5mm difference across the dial.

What movement does the Sheffield 1A 38 run compared to the Tuseno Blackwater?

Both watches run automatic movements — the Sheffield 1A 38 uses the Seiko NH35 and the Tuseno Blackwater uses the SW200-1.

Side by side

Sheffield 1A 38vsTuseno Blackwater

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

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Sheffield 1A 38

1a-38-blue

MSRP $238

Tuseno Blackwater

blackwater

MSRP $999

At a glance

9 of 29 specs differ

Diameter

1A 3838mm

Blackwater40.5mm

Power Reserve

1A 38—

Blackwater—

Water Resistance

1A 38200m

Blackwater200m

MSRP

1A 38$238

Blackwater$999

Full specifications

Case

5 specs

Crystal & Dial

2 specs

Dial Color

Blue

Black

Lume

None

BGW9 Swiss Super-LumiNova

Movement

1 specs

Caliber

Seiko NH35

SW200-1

Pricing

1 specs

MSRP

$238

$999

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Islandermicro

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Sheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)vsTuseno Blackwater Sheffield 1AvsTuseno Blackwater Sheffield 1A diver ~40mm 3-hand, Arabic numerals (12/3/6/9), no datevsTuseno Blackwater Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311vsTuseno Blackwater Christopher Ward C60 LympstonevsSheffield 1A 38 Christopher Ward C60 Trident ReefvsSheffield 1A 38

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Sheffield 1A 38vsTuseno Blackwater

At a glance

Full specifications

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