Seiko Cal. 6639 - 490

This Spring Drive model from 1997 features a 34mm PVD Black case. It features a White dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-39ae592e9d7b]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1997

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