Seiko Cal. 6639 - 788

The 6639-788 is a sought-after Kinetic piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-73f7cb022b65]

Also known as: Flighty

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1995

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