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  • CGU
  • Privacy policy
  • CGU Marketplace

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Seiko Alpinist - SPB121J1 - Excellent - Full Set - Image 1
Seiko Alpinist - SPB121J1 - Excellent - Full Set - Image 2
Seiko Alpinist - SPB121J1 - Excellent - Full Set - Image 3
Seiko Alpinist - SPB121J1 - Excellent - Full Set - Image 4
Seiko Alpinist - SPB121J1 - Excellent - Full Set - Image 5
Seiko Alpinist - SPB121J1 - Excellent - Full Set - Image 6
Seiko Alpinist - SPB121J1 - Excellent - Full Set - Image 7
Seiko Alpinist - SPB121J1 - Excellent - Full Set - Image 8
Seiko Alpinist - SPB121J1 - Excellent - Full Set - Image 9
Seiko Alpinist - SPB121J1 - Excellent - Full Set - Image 10
Seiko Alpinist - SPB121J1 - Excellent - Full Set - Image 11
Seiko Alpinist - SPB121J1 - Excellent - Full Set - Image 12
Seiko Alpinist - SPB121J1 - Excellent - Full Set - Image 13
Seiko Alpinist - SPB121J1 - Excellent - Full Set - Image 1
Seiko Alpinist - SPB121J1 - Excellent - Full Set - Image 2
Seiko Alpinist - SPB121J1 - Excellent - Full Set - Image 3
Seiko Alpinist - SPB121J1 - Excellent - Full Set - Image 4
Seiko Alpinist - SPB121J1 - Excellent - Full Set - Image 5
Seiko Alpinist - SPB121J1 - Excellent - Full Set - Image 6
Seiko Alpinist - SPB121J1 - Excellent - Full Set - Image 7
Seiko Alpinist - SPB121J1 - Excellent - Full Set - Image 8
Seiko Alpinist - SPB121J1 - Excellent - Full Set - Image 9
Seiko Alpinist - SPB121J1 - Excellent - Full Set - Image 10
Seiko Alpinist - SPB121J1 - Excellent - Full Set - Image 11
Seiko Alpinist - SPB121J1 - Excellent - Full Set - Image 12
Seiko Alpinist - SPB121J1 - Excellent - Full Set - Image 13
StoreSeikoProspex Divers

Seiko Alpinist - SPB121J1 - Excellent - Full Set

An elegant expression of Seiko’s adventure heritage, the Alpinist SPB121J1 pairs refined design with robust performance. Housed in a 39.5 mm stainless steel case, this2025 automatic features a striking green dial with clear Arabic numerals and is mounted on a matching steel bracelet with a secure fold clasp. The reliable 6R35 caliber delivers an impressive 70-hour power reserve, while20 ATM water resistance ensures confidence for everyday wear and outdoor pursuits. This example is in excellent condition and is offered as a full set with original box and papers, underscoring its authenticity and provenance. Presented from L'Aquila, IT, the watch is ready to wear and sits attractively at an accessible price of €688. The Alpinist’s distinctive aesthetic and dependable movement make it a compelling choice for collectors seeking a versatile sport-luxury timepiece with character and enduring value.
688 €
With box
With papers
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L'Aquila / Italy
2025

Description

Since 1965, when Seiko launched its first diver’s watch, Seiko has been at the forefront of the technology of diver’s watches and many of the attributes now considered essential in the best diver’s watches were invented by Seiko. Today, the Seiko Prospex diver’s watch collection offers an unrivalled range of timepieces designed for the professional and recreational diver alike, all of which incorporate the technologies, materials and specialist features that the diver needs to be safe in the water. Reference SPB051J1 has a black dial and is fitted a stainless steel bracelet

BrandSeiko
ModelProspex Divers
Referencespb051j1
Year2017 - 2026
Movementseiko caliber 6r15
Case materialstainless steel
Bezelrotating, 0-60 (dive
Crystalsapphire
Case backclosed
Case shaperound
Case diameter42.6
Lug width20
Water resistance200
Dial colorblacks
Indexesstick / dot
Handsarrow
Dial finishmatte
Movement typeautomatic
Displayanalog
Jewels23
Power reserve50
Frequency21600
Datedate
Handshours, minutes, seconds
Strap materialstainless steel
Strap typeoyster
Strap claspfolding
Gendermen
Plus Watch - Store cover image
P

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