Seiko Cal. 6639 - 522

Seiko 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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seikata-wm-2b8bdd34c401