Which is cheaper, the Baltic Scalegraph or the Seiko Prospex SPEEDTIMER?

At MSRP the Seiko Prospex SPEEDTIMER is the cheaper of the two at $725, against $1,766 for the Baltic Scalegraph — a $1,041 gap before any retailer discounting.

Which is bigger, the Baltic Scalegraph or the Seiko Prospex SPEEDTIMER?

The Baltic Scalegraph wears larger at 39.5mm versus 39mm for the Seiko Prospex SPEEDTIMER — a 0.5mm difference across the dial.

Which has better water resistance, the Baltic Scalegraph or the Seiko Prospex SPEEDTIMER?

The Baltic Scalegraph is rated to 100m versus 10m for the Seiko Prospex SPEEDTIMER.

Which has a longer power reserve, the Baltic Scalegraph or the Seiko Prospex SPEEDTIMER?

The Baltic Scalegraph carries a 63-hour power reserve against 40 hours on the Seiko Prospex SPEEDTIMER.

What movement does the Baltic Scalegraph run compared to the Seiko Prospex SPEEDTIMER?

The Baltic Scalegraph runs a manual caliber (Sellita SW510), while the Seiko Prospex SPEEDTIMER runs a quartz (V192).

Side by side

Baltic ScalegraphvsSeiko Prospex SPEEDTIMER

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

Add a watch

Baltic Scalegraph

scalegraph-blue

MSRP $1,766

See the full Scalegraph

Seiko Prospex SPEEDTIMER

ssc813

MSRP $725

See the full Prospex SPEEDTIMER

At a glance

11 of 29 specs differ

Diameter

Scalegraph39.5mm

Prospex SPEEDTIMER39mm

Power Reserve

Scalegraph63h

Prospex SPEEDTIMER40h

Water Resistance

Scalegraph100m

Prospex SPEEDTIMER100m

MSRP

Scalegraph$1,766

Prospex SPEEDTIMER$725

Full specifications

Case

3 specs

Diameter

39.5mm

39mm

Thickness

14.1mm

13.3mm

Lug-to-Lug

47mm

45.5mm

Crystal & Dial

4 specs

Crystal Shape

Flat

Curved

AR Coating

Yes

Anti-reflective coating on inner surface

Dial Color

Blue

Black

Lume

BGW9

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

Sellita SW510

V192

Type

Manual

Quartz

Power Reserve

63h

40h

Pricing

1 specs

MSRP

$1,766

$725

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Baltic ScalegraphvsSeiko Prospex SPEEDTIMER

At a glance

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