The Seiko Almanac · by Tiny Hour Tales
Model referenceCal. 2320

Seiko YQC614

ニナ・リッチ (nina ricci) · catalogued in 1979

Case
TPDP(ASGP)
Dial
silver
List price
¥50,000
Seiko YQC614 as pictured in the Seiko V2, page 141
From the 1979 Seiko catalogue, page 141View Page

Identifiers

Caliber
2320
Case–dial code
506-006

From the catalogue

Dial
silver
Case
TPDP(ASGP)
Strap
15.0 mm
List price
¥50,000
Specs
クオーツ · ハードレックス

Hardlex crystal; case printed "TPDP(ASGP)"

Appears in

Available at Tiny Hour Tales

Same caliber, in the shop now

Not this exact reference — but the shop’s listing names the same 2320 movement.