Seiko Prospex Alpinist in ‘Tealpine’, SPB503J1. From the Alpinist collection, first launched in 1959, these watches were designed for Japanese ‘Yama-otoko’ mountain men, to be reliable in treacherous terrain.Under the sapphire crystal glass, the archive-inspired teal blue dial is complemented by ‘cathedral style’ hour and minute hands, accompanied by classic Arabic numerals and wedge-shaped indices. It features the traditional Alpinist logo under the Seiko logo, which featured on the very first 1950s Laurel Alpinist. The ‘Mountain Device’ logo features on the caseback of these watches, an aspect of the vintage original indicating the field nature of the watch. The case has an applied super-hard coating for increased scratch resistance and shine.Through the exhibition case back, the in-house automatic 6R55 calibre can be viewed, accurate to -15/+25 seconds per day, with a power reserve of 72 hours.Prospex is a combination of the words ‘Professional’ and ‘Specifications.’ Seiko Prospex timepieces are designed to be practical, reliable and durable; to meet the high standards required in extreme environments for sports lovers and adventure seekers alike.
Toulson Jones Jewellers are official Seiko stockists.
Seiko Prospex Alpinist in ‘Tealpine’, SPB503J1.
Movement
Calibre 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/Band
Case Material
Stainless steel (super hard coating)
Case Size
Thickness:12.7mm
Diameter:39.5mm
Lug-to-lug:46.4mmCrystal
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
20
Other Details
Water Resistance
20 bar
Magnetic Resistance
4,800 A/m
Weight
147.0
Features
- Rotating compass bezel
- Screw-down crown
- See-through & Screw case back
