Which is cheaper, the Glycine Combat Sub or the Sheffield 1A?

At MSRP the Sheffield 1A is the cheaper of the two at $223, against $1,850 for the Glycine Combat Sub — a $1,627 gap before any retailer discounting.

Which is bigger, the Glycine Combat Sub or the Sheffield 1A?

The Sheffield 1A wears larger at 40mm versus 36mm for the Glycine Combat Sub — a 4mm difference across the dial.

Which has better water resistance, the Glycine Combat Sub or the Sheffield 1A?

The Glycine Combat Sub is rated to 300m versus 200m for the Sheffield 1A.

What movement does the Glycine Combat Sub run compared to the Sheffield 1A?

Both watches run automatic movements — the Glycine Combat Sub uses the SW200-1 and the Sheffield 1A uses the Seiko NH35A.

Side by side

Glycine Combat SubvsSheffield 1A

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

Add a watch

Glycine Combat Sub

GL0397

MSRP $1,850

Sheffield 1A

diver-1a-40mm-white

MSRP $223

At a glance

17 of 29 specs differ

Diameter

Combat Sub36mm

1A40mm

Power Reserve

Combat Sub38h

1A—

Water Resistance

Combat Sub300m

1A200m

MSRP

Combat Sub$1,850

1A$223

Full specifications

Case

7 specs

Diameter

36mm

40mm

Thickness

12mm

12.8mm

Lug-to-Lug

—

46mm

Lug Width

18mm

20mm

Finish

—

Brushed and polished

Water Resistance

300m

200m

Caseback

—

Solid

Crystal & Dial

5 specs

Crystal Shape

—

Flat

AR Coating

—

Inner

Dial Color

Black

White/Blue

Indices

—

Applied

Lume

Luminous

Swiss blue lume

Movement

4 specs

Caliber

SW200-1

Seiko NH35A

Power Reserve

38h

—

Jewels

Complications

Date

None

Pricing

1 specs

MSRP

$1,850

$223

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Glycine Combat SubvsSheffield 1A

At a glance

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