Seiko Cal. 6641 - 558

Released in 1995, the Cal. 6641 with design code 558 was part of Seiko's domestic market collection. It features a Black dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-1caef0eebece]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1995

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