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Seiko
 -
Prospex Alpinist

Model reference: SPB507J1

Gender: Man

Watch Type(s):

Field
Tool
GADA

Retail Price EUR 950 -

Functions and Complications

Basic Functions: Central hr, Central min, Central sec

Complications:

Date
Rotating inner bezel

Case and Crystal

Water resistance: 200m, 20bar
Case material: Stainless steel
Case size: 39.5 mm
Thickness: 12.7 mm
Lug width for bracelet: 20 mm
Crystal: Sapphire
Caseback: See-through

Movement

Calibre:

Seiko 6R35

Winding type: automatic
Japanese made
Reliability: High
70 hours Power Reserve
Accuracy: -15/+25 seconds / day
Frequency - Variations per hour: 3Hz - 21600 V/h
24 jewels

Dial, hour markers, hands

Dial color: Green

Our opinion & ratings

Also recommended by: Teddy Baldassarre - top 40 watches of 2025

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