Prospex: 2020 Alpinist Collection
This timepiece is from the Alpinist collection, first launched in 1959 exclusively for the Japanese market. Hugely popular with many fans worldwide, these new designs are now available globally with an upgraded specification from their original inspiration - a longer power reserve of 70h and a glass upgrade to Sapphire glass.
Seiko Prospex watches are designed for sports lovers and adventure seekers in the water, in the sky or on land. This watch is from the Land category and features a
.
Since launching Japan’s first diver’s watch in 1965, Seiko’s innovative watchmaking has changed global dive watch standards.
Seiko Prospex 'Alpinist' SPB157J1
Movement
Caliber Number
6R35
Movement Type
Automatic with manual winding capacity
Accuracy
+25 to -15 seconds per day
Exterior
Case Material
Stainless steel
Crystal
Curved sapphire crystal
Crystal Coating
Anti-reflective coating on inner surface
LumiBrite
Lumibrite on hands and indexes
Band Material
Calfskin
Clasp
Three-fold clasp with push button release
Other Details
Water Resistance
20 bar
Case Size
Thickness:
12.9
㎜
Diameter:38
㎜
Length:46
㎜
Weight
85.0
g
Other Specifications
- Screw case back
- Screw-down crown
- See-through case back
Other Features
- 24 jewels
- Date display
- Stop seconds hand function