Seiko Cal. 6390 - 977

Seiko 6390-977

Released in 1990, the Cal. 6390 with design code 977 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-82b9c1323653]

Also known as: Goldfeather, Bellmatic

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
11.4mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Burgundy
Jewels
24j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1990

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seikata-wm-82b9c1323653