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

At MSRP the Baltic Scalegraph is the cheaper of the two at $1,766, against $3,000 for the Seiko Prospex SPEEDTIMER — a $1,234 gap before any retailer discounting.

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

The Seiko Prospex SPEEDTIMER wears larger at 42.5mm versus 39.5mm for the Baltic Scalegraph — a 3mm 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 45 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 automatic (8R46).

Side by side

Baltic ScalegraphvsSeiko Prospex SPEEDTIMER

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

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Baltic Scalegraph

scalegraph-blue

MSRP $1,766

See the full Scalegraph

Seiko Prospex SPEEDTIMER

srq037j1

MSRP $3,000

See the full Prospex SPEEDTIMER

At a glance

12 of 29 specs differ

Diameter

Scalegraph39.5mm

Prospex SPEEDTIMER42.5mm

Power Reserve

Scalegraph63h

Prospex SPEEDTIMER45h

Water Resistance

Scalegraph100m

Prospex SPEEDTIMER100m

MSRP

Scalegraph$1,766

Prospex SPEEDTIMER$3,000

Full specifications

Case

3 specs

Diameter

39.5mm

42.5mm

Thickness

14.1mm

15.1mm

Lug-to-Lug

47mm

50mm

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

4 specs

Caliber

Sellita SW510

8R46

Type

Manual

Automatic

Power Reserve

63h

45h

Jewels

Pricing

1 specs

MSRP

$1,766

$3,000

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Baltic ScalegraphvsSeiko Prospex SPEEDTIMER

At a glance

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