Seiko Cal. 6639 - 341

The 6639-341 is a sought-after Solar piece from Seiko's golden era. Powered by the 6639 caliber with 32j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-d3fb7feaae3e]

Also known as: Helmet, Flighty

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

White

Jewels

32j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1996

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