Seiko Cal. 6639 - 522

The 6639-522 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6639 caliber with 24j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-2b8bdd34c401]

Also known as: Silverwave

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Silver

Jewels

24j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1986

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