(Ref. SPB503)
The Prospex Alpinist SPB503 is a modern reinterpretation of the iconic 1959 Alpinist, designed specifically for Japanese 'Yama-otoko' (mountain men). Part of the Land Series, this model features a distinctive teal 'tealpine' dial with the classic cathedral hands and the 'Alpinist' script returning to the dial. Built for reliability in harsh environments, it includes an internal compass ring operated by a dedicated crown at 4 o'clock and is powered by the high-performance 6R55 automatic movement with a 72-hour power reserve.
Caliber Number: 6R55
Movement Type: Automatic with manual winding
Precision: +25 to -15 seconds per day
Power reserve: Approx. 72 hours(3 days)
Jewels: 24
Functions: Stop second hand function
Case Material: Stainless steel (super hard coating)
Case Size:
Thickness:12.7mm
Diameter:39.5mm
Lug-to-lug:46.4mm
Crystal: Sapphire crystal with magnifier
Crystal Coating: Anti-reflective coating on inner surface
LumiBrite: Lumibrite on hands and index(es)
Clasp: Three-fold clasp with push button release
Distance between lugs: 20mm
Water Resistance: 20 bar
Magnetic Resistance: 4,800 A/m
Weight: 147.0g
Features:
- Rotating compass bezel
- Screw-down crown
- See-through & Screw case back
A timeless design inspired by classic watchmaking, created for those who appreciate elegant aesthetics in their everyday life.
While collectors often preserve their most valuable pieces for special occasions, many enthusiasts prefer a refined watch they can confidently wear every day.
This model captures the elegance of iconic watch design in a versatile form made for daily wear — allowing you to enjoy the presence and style of a classic timepiece wherever you go.
A balanced combination of sophistication, comfort, and practicality, designed for everyday moments.
