Which is cheaper, the Marnaut Safe Harbour 100C or the Sheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)?

At MSRP the Sheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap) is the cheaper of the two at $223, against $899 for the Marnaut Safe Harbour 100C — a $676 gap before any retailer discounting.

Which is bigger, the Marnaut Safe Harbour 100C or the Sheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)?

The Marnaut Safe Harbour 100C wears larger at 39mm versus 38mm for the Sheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap) — a 1mm difference across the dial.

Which has better water resistance, the Marnaut Safe Harbour 100C or the Sheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)?

The Sheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap) is rated to 200m versus 100m for the Marnaut Safe Harbour 100C.

What movement does the Marnaut Safe Harbour 100C run compared to the Sheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)?

Both watches run automatic movements — the Marnaut Safe Harbour 100C uses the Sellita SW200-1 and the Sheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap) uses the Seiko NH35.

Side by side

Marnaut Safe Harbour 100CvsSheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)

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

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Marnaut Safe Harbour 100C

MSRP $899

Sheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)

MSRP $223

At a glance

9 of 29 specs differ

Diameter

Safe Harbour 100C39mm

1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)38mm

Power Reserve

Safe Harbour 100C41h

1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)—

Water Resistance

Safe Harbour 100C100m

1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)200m

MSRP

Safe Harbour 100C$899

1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)$223

Full specifications

Case

5 specs

Crystal & Dial

1 specs

Dial Color

Black

Blue

Movement

2 specs

Caliber

Sellita SW200-1

Seiko NH35

Power Reserve

41h

—

Pricing

1 specs

MSRP

$899

$223

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Marnaut Safe Harbour 100CvsSheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)

At a glance

Full specifications

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