Which is cheaper, the Sinn 6000 Roségold or the Seiko Prospex Sea?

At MSRP the Seiko Prospex Sea is the cheaper of the two at $900, against $18,090 for the Sinn 6000 Roségold — a $17,190 gap before any retailer discounting.

Which is bigger, the Sinn 6000 Roségold or the Seiko Prospex Sea?

The Seiko Prospex Sea wears larger at 41mm versus 38.5mm for the Sinn 6000 Roségold — a 2.5mm difference across the dial.

Which has better water resistance, the Sinn 6000 Roségold or the Seiko Prospex Sea?

The Seiko Prospex Sea is rated to 200m versus 100m for the Sinn 6000 Roségold.

Which has a longer power reserve, the Sinn 6000 Roségold or the Seiko Prospex Sea?

The Seiko Prospex Sea carries a 70-hour power reserve against 38 hours on the Sinn 6000 Roségold.

What movement does the Sinn 6000 Roségold run compared to the Seiko Prospex Sea?

Both watches run automatic movements — the Sinn 6000 Roségold uses the Sellita SW220-1 and the Seiko Prospex Sea uses the 6R35.

Side by side

Sinn 6000 RoségoldvsSeiko Prospex Sea

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

Sinn 6000 Roségold

6000 Roségold

MSRP $18,090

Seiko Prospex Sea

spb317j1

MSRP $900

At a glance

16 of 29 specs differ

Diameter

6000 Roségold38.5mm

Prospex Sea41mm

Power Reserve

6000 Roségold38h

Prospex Sea70h

Water Resistance

6000 Roségold100m

Prospex Sea200m

MSRP

6000 Roségold$18,090

Prospex Sea$900

Full specifications

Case

8 specs

Crystal & Dial

3 specs

Crystal Shape

—

Curved

AR Coating

Underside

Anti-reflective coating on inner surface

Lume

Luminescent

LumiBrite on hands, index(es) and bezel

Movement

4 specs

Caliber

Sellita SW220-1

6R35

Power Reserve

38h

70h

Jewels

Complications

Date, Chronograph

None

Pricing

1 specs

MSRP

$18,090

$900

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Sinn 6000 Roségold

Owners praise the Sinn 6000 Roségold for its rich, shimmery dial and the satisfying feel of its mechanism when adjusting the time. Its 38.5mm size is found to be perfect by one owner, who also notes its suitability for both suits and casual wear, describing it as elegant and sporty. Overall, owners rate the Sinn 6000 Roségold highly for its versatile aesthetic and tactile winding experience.

WatchUSeek·2

Seiko Prospex Sea

Owners widely praise the Seiko Prospex Sea for its excellent lume, robust build, and value, with many highlighting the comfortable 4 o'clock crown and reliable movements. Reviewers note impressive case finishing and attractive dials, with specific models lauded for their gradient blue designs and smooth bezel actions. Accuracy figures vary, with one owner reporting +9 seconds/day after demagnetization, while others find the watches to be good first "proper" watches. Some owners find the stock rubber straps uncomfortable or the overall size substantial on smaller wrists. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its combination of strong dive watch functionality and appealing design at its price point.

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