Which is bigger, the Crafter Blue Mechanic Ocean Mark II or the Seestern S446 GMT?

The Crafter Blue Mechanic Ocean Mark II wears larger at 41mm versus 39.5mm for the Seestern S446 GMT — a 1.5mm difference across the dial.

Which has better water resistance, the Crafter Blue Mechanic Ocean Mark II or the Seestern S446 GMT?

The Crafter Blue Mechanic Ocean Mark II is rated to 300m versus 100m for the Seestern S446 GMT.

What movement does the Crafter Blue Mechanic Ocean Mark II run compared to the Seestern S446 GMT?

The Crafter Blue Mechanic Ocean Mark II runs a automatic caliber (Miyota 9015), while the Seestern S446 GMT runs a automatic gmt (Seiko NH34A GMT).

Side by side

Crafter Blue Mechanic Ocean Mark IIvsSeestern S446 GMT

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

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Crafter Blue Mechanic Ocean Mark II

crafter-blue-mechanic-ocean-mark-ii-mo2ss007-hk-limited-edition-shipping-date-nov-2024

Seestern S446 GMT

S446.BS

MSRP $299

Buy from Crafter Blue ↗

Buy used on eBay ↗

Buy from Seestern ↗

Buy used on eBay ↗

At a glance

15 of 29 specs differ

Diameter

Mechanic Ocean Mark II41mm

S446 GMT39.5mm

Power Reserve

Mechanic Ocean Mark II—

S446 GMT41hh

Water Resistance

Mechanic Ocean Mark II300m

S446 GMT100m

MSRP

Mechanic Ocean Mark II—

S446 GMT$299

Full specifications

Case

7 specs

Crystal & Dial

2 specs

Crystal Shape

Flat

Domed

Dial Color

White

Cream

Movement

5 specs

Caliber

Miyota 9015

Seiko NH34A GMT

Beat Rate

28,800 vph

3 vph

Power Reserve

—

41hh

Jewels

Complications

None

GMT, Date

Pricing

1 specs

MSRP

—

$299

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