Seiko Cal. 6639 - 575

Released in 1982, the Cal. 6639 with design code 575 was part of Seiko's domestic market collection. It features a Green dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-10e759d157b3]

Also known as: Goldfeather

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1982

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