Seiko Cal. 6639 - 530

The 6639-530 is a sought-after Solar piece from Seiko's golden era. Powered by the 6639 caliber with 21j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-22952ac46db6]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1993

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