Seiko Cal. 6639 - 415

The Seiko 6639-415 represents an important milestone in Seiko's 1965 lineup. It features a Green dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-8b3a84e84c44]

Also known as: Rally

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1965

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