Seiko Cal. 6639 - 606

The Seiko 6639-606 represents an important milestone in Seiko's 1979 lineup. It features a Champagne dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-5d2f4c2cd99f]

Also known as: Shogun, Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Champagne

Jewels

32j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1979

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