Which is cheaper, the Grand Seiko SBGR321 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 $5,200 for the Grand Seiko SBGR321 — a $4,977 gap before any retailer discounting.

Which has better water resistance, the Grand Seiko SBGR321 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 Grand Seiko SBGR321.

What movement does the Grand Seiko SBGR321 run compared to the Sheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)?

Both watches run automatic movements — the Grand Seiko SBGR321 uses the 9S65 and the Sheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap) uses the Seiko NH35.

Side by side

Grand Seiko SBGR321vsSheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)

Q: Which is bigger, the Grand Seiko SBGR321 or the Sheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)?

The Grand Seiko SBGR321 wears larger at 40mm versus 38mm for the Sheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap) — a 2mm difference across the dial.

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

Add a watch

Grand Seiko SBGR321

sbgr321g

MSRP $5,200

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

MSRP $223

Buy from Grand Seiko ↗

Buy used on eBay ↗

Buy from Sheffield ↗

Buy used on eBay ↗

At a glance

10 of 29 specs differ

Diameter

SBGR32140mm

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

Power Reserve

SBGR32172h

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

Water Resistance

SBGR321100m

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

MSRP

SBGR321$5,200

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

Full specifications

Case

5 specs

Crystal & Dial

2 specs

AR Coating

Yes

Inner

Dial Color

Black

Blue

Movement

2 specs

Caliber

9S65

Seiko NH35

Power Reserve

72h

—

Pricing

1 specs

MSRP

$5,200

$223

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

anOrdainmicro

Follow this matchup

Get a note when Grand Seiko SBGR321 vs Sheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap) gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

anOrdain Model 2 PorcelainvsSheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)anOrdain FabrikvsSheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)anOrdain Model 1vsSheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)Grand Seiko SBGR261vsSheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)Grand Seiko SBGR321vsSheffield 1A 38 Grand Seiko SBGR321vsSheffield 1A

Edit this comparison Add another watch Explore more 37–41mm watches

Grand Seiko SBGR321vsSheffield 1A 38 dive 38mm, 3-hand date (rotating dive bezel, perforated rubber strap)

At a glance

Full specifications

More watches worth a look

Model 2 Porcelain

Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311

Fabrik

Swordfish 3

The T Rex By Boldr X Nitecore

SBGH349

Fearless

The Citizen Caliber 0210

Follow this matchup

People also compared