Which is cheaper, the Seiko Prospex SPEEDTIMER Mechanical or the Spinnaker Tesei Bronze Swiss?

At MSRP the Spinnaker Tesei Bronze Swiss is the cheaper of the two at $850, against $995 for the Seiko Prospex SPEEDTIMER Mechanical — a $145 gap before any retailer discounting.

Which is bigger, the Seiko Prospex SPEEDTIMER Mechanical or the Spinnaker Tesei Bronze Swiss?

The Spinnaker Tesei Bronze Swiss wears larger at 43mm versus 39.5mm for the Seiko Prospex SPEEDTIMER Mechanical — a 3.5mm difference across the dial.

Which has better water resistance, the Seiko Prospex SPEEDTIMER Mechanical or the Spinnaker Tesei Bronze Swiss?

The Spinnaker Tesei Bronze Swiss is rated to 300m versus 20m for the Seiko Prospex SPEEDTIMER Mechanical.

Which has a longer power reserve, the Seiko Prospex SPEEDTIMER Mechanical or the Spinnaker Tesei Bronze Swiss?

The Seiko Prospex SPEEDTIMER Mechanical carries a 72-hour power reserve against 40 hours on the Spinnaker Tesei Bronze Swiss.

What movement does the Seiko Prospex SPEEDTIMER Mechanical run compared to the Spinnaker Tesei Bronze Swiss?

Both watches run automatic movements — the Seiko Prospex SPEEDTIMER Mechanical uses the 6R55 and the Spinnaker Tesei Bronze Swiss uses the Sellita SW200-1.

Side by side

Seiko Prospex SPEEDTIMER MechanicalvsSpinnaker Tesei Bronze Swiss

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

Seiko Prospex SPEEDTIMER Mechanical

spb513j1

MSRP $995

Spinnaker Tesei Bronze Swiss

tesei-bronze-swiss-automatic-forest-green-sp-5060-0b

MSRP $850

At a glance

15 of 29 specs differ

Diameter

Prospex SPEEDTIMER Mechanical39.5mm

Tesei Bronze Swiss43mm

Power Reserve

Prospex SPEEDTIMER Mechanical72h

Tesei Bronze Swiss40h

Water Resistance

Prospex SPEEDTIMER Mechanical200m

Tesei Bronze Swiss300m

MSRP

Prospex SPEEDTIMER Mechanical$995

Tesei Bronze Swiss$850

Full specifications

Case

7 specs

Crystal & Dial

4 specs

Crystal Shape

Curved

Flat

AR Coating

Anti-reflective coating on inner surface

Inner

Dial Color

Black

Green

Lume

LumiBrite on hands and index(es)

None

Movement

3 specs

Caliber

6R55

Sellita SW200-1

Power Reserve

72h

40h

Jewels

Pricing

1 specs

MSRP

$995

$850

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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.

Seiko Prospex SPEEDTIMER Mechanical

The Seiko Prospex SPEEDTIMER Mechanical is praised for its visually appealing design and comfortable wearability, with owners frequently using its chronograph function for daily tasks. Reviewers note its clean dial layout and LumiBrite treated hands and markers, and one source highlights the 72-hour power reserve of the 6R55 movement. However, some owners criticize its chronograph functionality and the 24-hour subdial. On balance, owners and reviewers rate the Seiko Prospex SPEEDTIMER Mechanical highly for its daily usability and refined aesthetics.

Time + Tide

Monochrome

Spinnaker Tesei Bronze Swiss

Owners praise the Spinnaker Tesei Bronze Swiss for its incredible macro-level detail and sharp design, noting its bronze case, ceramic bezel, and wave dial. The inclusion of a Sellita SW200 Swiss movement is highlighted. One owner expressed a desire for a smaller 39-40mm variant, stating it would be their ultimate bronze diver if such a size were offered. On balance, owners rate the Spinnaker Tesei Bronze Swiss highly for its detailed finishing and bronze diver aesthetic.

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