Seiko SPB379 Prospex Alpinist GMT watch with black dial on black leather strap
SPB379 Prospex Alpinist GMT with black dial on leather strap displayed over a topographic map
Seiko SPB379 Prospex Alpinist GMT on black leather strap with rugged mountain backdrop
Seiko SPB379 Prospex Alpinist GMT watch with black dial glowing green lume against a dark backdrop
SPB379 Prospex Alpinist GMT back view on black leather strap with exhibition caseback
Side profile of SPB379 Prospex Alpinist GMT showing crowns on a polished case with a black leather strap
Seiko

SPB379 Prospex Alpinist GMT 39.5mm - Black on Leather Strap

$1,150

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Seiko official 3 year warranty included

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Included on all watches and orders over $150 in the U.S.

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Our Return Policy

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We want you to love your watch. If it's not the right fit, our client services team is here to make returns and exchanges simple.

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Log into your account or contact our client services team at orders@teddybaldassarre.com. Returns must be started within 5 business days of receiving your order.

Return Conditions

To be eligible, your watch must be unworn, unaltered, and in its original condition with all packaging, tags, stickers, and paperwork included. Straps and bracelets must not be removed, adjusted, or sized, and the Teddy Baldassarre security tag must still be attached.

Not Eligible for Return

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Please see our Refund Policy for full details, including restocking fees and refund timelines.
About the product

Inspired by Seiko’s first sports watch, the 1959 Alpinist.
Seiko
$1,150

SPB379 Prospex Alpinist GMT 39.5mm - Black on Leather Strap

The Details

  • 39.5 mm

    Case Size

  • 13.6 mm

    Case Height

  • 46.4 mm

    Lug to Lug

  • 200m

    Water Resistance

Overview

Case Height

13.6 mm

Case Size

39.5 mm

Collection

Prospex

Style

Field, GMT

Lug to Lug

46.4 mm

Lug Width

20 mm

Movement

Automatic

Reference

SPB379

Release Date

2023-10-01

Water Resistance

200m

Case

Bezel

24-hour GMT bezel

Caseback

See-through caseback

Case Material

Stainless steel with super-hard coating

Clasp / Buckle

Tri-fold push button release clasp

Crown

Screw-down

Crystal

Curved sapphire crystal with anti-reflective coating on inner surface

Dial Color

Black

Dial Features

Iconic wedge-shaped markers and stylized numerals and hands

Hands

Red-tipped GMT hand

Lume

LumiBrite hands and markers

Strap / Bracelet Material

Black leather strap

Movement

Caliber

6R34

Function

Date

Functions

4-hour hand (dual time display function) & Stop seconds hand function

Jewels

24 Jewels

Movement

Automatic

Power Reserve

72 Hours

Vibrations Per Hour

21,600 vph

Complication

24-Hour Time, Date

Why Buy From Teddy?

All watches ship free within the U.S.

Manufacturer's warranty on all orders

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About Seiko

One Step Ahead

Seiko was founded in 1881 in Tokyo, Japan and has grown to become one of the largest watch companies in the world. Today, Seiko’s diverse collection presents impressive value backed by some of the most iconic designs in watch history. Perhaps best known for its sporty Prospex collection, Seiko’s legend also stems from the attainable Seiko 5 Sports collection as well as the refined Presage range of well-finished dress watches.

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