Which is cheaper, the S.U.F Helsinki 180 or the Seestern S446 GMT?

At MSRP the Seestern S446 GMT is the cheaper of the two at $299, against $2,552 for the S.U.F Helsinki 180 — a $2,253 gap before any retailer discounting.

Which is bigger, the S.U.F Helsinki 180 or the Seestern S446 GMT?

The Seestern S446 GMT wears larger at 39.5mm versus 38.7mm for the S.U.F Helsinki 180 — a 0.8mm difference across the dial.

Which has a longer power reserve, the S.U.F Helsinki 180 or the Seestern S446 GMT?

The Seestern S446 GMT carries a 41h-hour power reserve against 42 hours on the S.U.F Helsinki 180.

What movement does the S.U.F Helsinki 180 run compared to the Seestern S446 GMT?

The S.U.F Helsinki 180 runs a automatic caliber (Soprod A10), while the Seestern S446 GMT runs a automatic gmt (Seiko NH34A GMT).

Side by side

S.U.F Helsinki 180vsSeestern S446 GMT

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

Add a watch

S.U.F Helsinki 180

180a

MSRP $2,552

Seestern S446 GMT

S446.BS

MSRP $299

Buy from S.U.F Helsinki ↗

Buy used on eBay ↗

Buy from Seestern ↗

Buy used on eBay ↗

At a glance

12 of 29 specs differ

Diameter

18038.7mm

S446 GMT39.5mm

Power Reserve

18042h

S446 GMT41hh

Water Resistance

180100m

S446 GMT100m

MSRP

180$2,552

S446 GMT$299

Full specifications

Case

4 specs

Crystal & Dial

2 specs

Crystal Shape

Flat

Domed

Dial Color

Black

Cream

Movement

5 specs

Caliber

Soprod A10

Seiko NH34A GMT

Beat Rate

28,800 vph

3 vph

Power Reserve

42h

41hh

Jewels

Complications

None

GMT, Date

Pricing

1 specs

MSRP

—

$299

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.

S.U.F Helsinkimicro

Follow this matchup

Get a note when S.U.F Helsinki 180 vs Seestern S446 GMT 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.

S.U.F Helsinki 180NvsSeestern S446 GMT S.U.F Helsinki 180NNvsSeestern S446 GMT S.U.F Helsinki 180 ProtoxvsSeestern S446 GMT Orologi Calamai G50 CRONOvsSeestern S446 GMT S.U.F Helsinki 180vsGruppo Gamma Field III GMT Date S.U.F Helsinki 180vsTraska Venturer GMT

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

S.U.F Helsinki 180vsSeestern S446 GMT

At a glance

Full specifications

More watches worth a look

180N

Field III GMT Date

180NN

Venturer GMT

C63 Sealander Extreme GMT

G50 CRONO

Fortitude GMT

1739 St I 4N F.A.Z.

Follow this matchup

People also compared