VINTAGE WATCHES

We purchase and sale rare wristwatches and beautiful mechanical devices. We service all our watches before selling.

NOTE:      On the Saturday following Epiphany, January 7, 2023, the store is closed.

Big-Triangle
Ref. 166.024-67 SC
1967

Omega

Seamaster Automatic 300

7 250,00 

Omega Seamaster 300 “Big Triangle” diver’s watch from 1967

Omega Seamaster 300 “Big Triangle” diver’s watch from 1967, reference 166.024-67 SC. Originally sold in Finland.

Watch features an original and attractively aged Big Triangle Date tritium dial with sword-style hands. Dial shows honest wear consistent with age and long-term use, adding strong vintage character. Original black Mk3 tritium bezel insert remains in place. Caseback carries a personal engraved dedication: “Kertulta Arvolle 23.9.-70.”

Case remains splash-resistant but is no longer suitable for active diving use. Case diameter measures 41 mm, giving the watch a strong and purposeful wrist presence.

Omega cal. 565 automatic movement with quickset date function has been fully restored by us in February 2025 and operates reliably and accurately.

Watch is fitted with a brown Hirsch leather strap. Original box and papers are not included. New Omega stainless steel bracelet can be supplied if desired.

Watch is offered with a 24-month service warranty.

Big Triangle Omega introduced the redesigned Seamaster 300 in 1964, replacing the earlier 39 mm version. Model was available both with date (cal. 565) and without date (cal. 552). Two dial layouts were offered. Standard version featured a regular lume index at 12 o’clock. Alternative version, known as Big Triangle, used a large triangular tritium marker at 12 o’clock for enhanced legibility. This configuration was issued in example to British Royal Navy combat divers and later adopted by Finnish naval combat divers at Upinniemi during the 1970s. ⸻ Technical Summary •Brand: Omega •Model: Seamaster 300 •Nickname: Big Triangle Date •Reference: 166.024-67 SC •Year: 1967 •Market: Finland •Case material: Stainless steel •Case diameter: 41 mm •Crystal: Acrylic •Bezel: Black tritium Mk3 •Dial: Big Triangle tritium •Hands: Sword-style •Movement: Omega cal. 565 •Winding: Automatic •Functions: Hours, minutes, seconds, quickset date •Water resistance: Splash-resistant •Strap: Leather (steel bracelet optional) •Box: No •Papers: No •Warranty: 24-month service warranty

Omega Seamaster 300 ”Big triangle” sukeltajankello vuodelta 1967. Ref. 166.024-67 SC. Suomikello.

Kellossa on alkuperäinen, kauniisti ikääntynyt Big Triangle Date -tritium kellotaulu sword-tyyppisillä osoittimilla. Kellotaulussa on nähtävissä iän ja käytön mukaista kulumaa. Alkuperäinen musta tritium-Mk3 -lasisarja. Takapohjassa on kaiverrus Kertulta Arvolle 23.9.-70. Kuori on roiskevesitiivis, mutta ei sovellu enää sukelluskäyttöön. Kuoren koko on 41 mm.

Omega cal. 565 quickset-date automaattikoneisto on täydellisesti meillä kunnostettu 2.2025.

Kellossa on Hirsch:n ruskea nahkaranneke, ei alkuperäistä laatikkoa/papereita. Kelloon on saatavissa myös Omegan uusi teräsranneke.

Kellolla on 24 kk huoltotakuu.

BIG TRIANGLE

Omega esitteli vuonna 1964 uuden Seamaster 300 mallin, joka silloin korvasi aiemmin käytetyn 39 mm kokoisen mallin. Kelloa sai sekä päivyri versiona (cal. 565) että ilman päivyriä (cal. 552).

Kellotauluja oli tarjolla kaksi erilaista. Perusmallin kellotaulussa oli 12 kohdalla kartiomallinen lume indeksi. Toisena vaihtoehtona oli nk. Big Triangle-malli, jossa klo 12 tritium-indeksi oli suurikokoinen kolmio. Tämä oli se malli jota mm. Britannian laivaston taistelusukeltajat käyttivät ja sama malli oli käytössä myös 1970-luvulla Upinniemen taistelusukeltajilla.

Omega Seamaster 300 Big-Triangle from 1967
Ref. 166.024-67 SC
1967

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