Skip to content
Seiko Prospex Sea

Seiko Prospex Sea

Automatic

Ref. SLA043J1

Collection: ProspexCase size: 39.9mmMovement: 8L35

The Seiko Prospex Sea, reference SLA043J1, is a dive watch with a 39.9 mm case. This is a limited edition of 1700 pieces. The case measures 14.1 mm thick, with a water-resistance rating of 200 metres. Self-winding calibre 8L35 contains 26 jewels and has a power reserve of approximately 50 hours. The watch has a box-shaped sapphire crystal with an anti-reflective coating on the inner surface. The dial has a date display; LumiBrite is applied to the hands and indices. Movement accuracy is plus 15 to minus 10 seconds per day; the lug width measures 19 mm. This watch has a silicone strap.

Add to my inventory

Free account required - pre-fills all specs automatically

Last updated 9 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

GENERAL

Gender

Men

Limited Edition

1,700 pieces

CASE

Diameter

39.9mm

Thickness

14.1mm

Lug Width

19mm

Water Resistance

200m

Crystal

Sapphire Crystal

MOVEMENT

Movement Type

Automatic

Caliber

8L35

Power Reserve

50h

Frequency

28,800 vph (4 Hz)

Jewels

26 jewels

BRACELET/STRAP

Bracelet/Strap

Silicon

FEATURES & COMPLICATIONS

DateLimited EditionLuminous handsLuminous indicesRotating Bezel

More from Seiko

Show all →

Other watches with the 8L35 calibre

Show all →

FOR WATCH DEALERS

Trading the Seiko Prospex Sea?

Clone any catalog watch into your stock, sync it to Chrono24 and eBay, and invoice it with your own tax settings.