Which is cheaper, the Sinn 6068 or the Seiko Prospex Sea?

At MSRP the Seiko Prospex Sea is the cheaper of the two at $900, against $2,754 for the Sinn 6068 — a $1,854 gap before any retailer discounting.

Which is bigger, the Sinn 6068 or the Seiko Prospex Sea?

The Seiko Prospex Sea wears larger at 41mm versus 38.5mm for the Sinn 6068 — a 2.5mm difference across the dial.

Which has better water resistance, the Sinn 6068 or the Seiko Prospex Sea?

The Seiko Prospex Sea is rated to 200m versus 100m for the Sinn 6068.

Which has a longer power reserve, the Sinn 6068 or the Seiko Prospex Sea?

The Seiko Prospex Sea carries a 70-hour power reserve against 38 hours on the Sinn 6068.

What movement does the Sinn 6068 run compared to the Seiko Prospex Sea?

Both watches run automatic movements — the Sinn 6068 uses the SW 300-1 and the Seiko Prospex Sea uses the 6R35.

Side by side

Sinn 6068vsSeiko Prospex Sea

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

Sinn 6068

6068

MSRP $2,754

Seiko Prospex Sea

spb317j1

MSRP $900

At a glance

15 of 29 specs differ

Diameter

606838.5mm

Prospex Sea41mm

Power Reserve

606838h

Prospex Sea70h

Water Resistance

6068100m

Prospex Sea200m

MSRP

6068$2,754

Prospex Sea$900

Full specifications

Case

7 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

SW 300-1

6R35

Power Reserve

38h

70h

Jewels

Complications

GMT, Date

None

Pricing

1 specs

MSRP

$2,754

$900

Follow this matchup

Get a note when Sinn 6068 vs Seiko Prospex Sea gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

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

Sinn 6068

Owners widely praise the Sinn 6068 for its clean aesthetic and compact size, fitting well under a dress cuff. One owner sold theirs due to insufficient wrist time. A user notes the GMT hand on the 6060 variant is not fully independent. Overall, owners rate the Sinn 6068 highly for its blend of classy and functional design suitable for everyday wear.

From video reviewers

The watch's 12-hour UTC function is a notable feature, allowing for the display of two time zones on a 12-hour basis. The watch's lume brightness is a weakness, with reviewers noting that the luminous paint on the hands and appliqués is not particularly strong. Reviewers disagree on the watch's overall appearance, with one reviewer mentioning a sleek appearance due to the polished stainless steel case, while the other reviewer does not provide a description of the watch's appearance.

Reddit·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.

Keep exploring