Seiko Cal. 6639 - 893

The 6639-893 is a sought-after Automatic piece from Seiko's golden era. It features a Cream dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-de7a31552917]

Also known as: Sumo, Silverwave

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Cream

Jewels

26j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1984

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