Which is cheaper, the Sheffield 1A or the Sinn U50 SDR with TEGIMENT option?

At MSRP the Sheffield 1A is the cheaper of the two at $223, against $3,326 for the Sinn U50 SDR with TEGIMENT option — a $3,103 gap before any retailer discounting.

Which is bigger, the Sheffield 1A or the Sinn U50 SDR with TEGIMENT option?

The Sinn U50 SDR with TEGIMENT option wears larger at 41mm versus 40mm for the Sheffield 1A — a 1mm difference across the dial.

Which has better water resistance, the Sheffield 1A or the Sinn U50 SDR with TEGIMENT option?

The Sinn U50 SDR with TEGIMENT option is rated to 500m versus 200m for the Sheffield 1A.

What movement does the Sheffield 1A run compared to the Sinn U50 SDR with TEGIMENT option?

Both watches run automatic movements — the Sheffield 1A uses the Seiko NH35A and the Sinn U50 SDR with TEGIMENT option uses the SW300-1.

Side by side

Sheffield 1AvsSinn U50 SDR with TEGIMENT option

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

Sinn U50 SDR with TEGIMENT option

U50 SDR with TEGIMENT option

MSRP $3,326

At a glance

15 of 29 specs differ

Diameter

1A40mm

U50 SDR with TEGIMENT option41mm

Power Reserve

1A—

U50 SDR with TEGIMENT option38h

Water Resistance

1A200m

U50 SDR with TEGIMENT option500m

MSRP

1A$223

U50 SDR with TEGIMENT option$3,326

Full specifications

Case

6 specs

Diameter

40mm

41mm

Thickness

12.8mm

11.2mm

Lug-to-Lug

46mm

—

Finish

Brushed and polished

bead-blasted

Water Resistance

200m

500m

Caseback

Solid

—

Crystal & Dial

5 specs

Crystal Shape

Flat

—

AR Coating

Inner

Underside

Dial Color

White/Blue

Black

Indices

Applied

—

Lume

Swiss blue lume

Luminescent

Movement

3 specs

Caliber

Seiko NH35A

SW300-1

Power Reserve

—

38h

Complications

None

Date

Pricing

1 specs

MSRP

$223

$3,326

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Sheffield 1AvsSinn U50 SDR with TEGIMENT option

At a glance

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