Seiko Prospex Land Mechanical Automatic 1959 Alpinist Modern Re-Interpretation SPB243

Seiko Prospex Land Mechanical Automatic 1959 Alpinist Modern Re-Interpretation Sun Ray Grey Dial

SPB243
(JDM Version Model: SBDC147)

The Mountain Spirit, Re‑Imagined.

The Seiko Alpinist SPB243J1 (2021) channels the spirit of the 1959 Laurel Alpinist in a modern, exploration‑ready package. Powered by the reliable 6R35 automatic movement with a long power reserve, the SPB243J1 pairs a refined grey dial and bold triangular hour markers with a robust stainless‑steel case, sapphire crystal, and 200m water resistance—making it equally at home on the trail or in the city.

This modern re‑interpretation preserves the vintage character of the original while offering contemporary durability and precision, which is why collectors value it as a versatile, heritage‑rich piece.

SPB243 Specification:

Movement
Caliber: 6R35
Automatic with manual winding capacity
Accuracy +25 to -15 seconds per day
Jewel: 24

Exterior
Case Material: Stainless steel
Crystal: Curved sapphire crystal
Crystal Coating: Anti-reflective coating on the inner surface
LumiBrite: Lumibrite on hands and indexes
Three-fold clasp with push-button release
Case Size: Diameter 38mm, Thickness 12.9mm, Length 46.2mm
Lug width: 19mm

Other Details
Water Resistance 20 bar
Screw case back
Screw-down crown
See-through case back
Date display
Stop second-hand function



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