Seiko Cal. 6659 - 138

Released in 1968, the Cal. 6659 with design code 138 was part of Seiko's domestic market collection. It features a Black dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-f6a4d619760a]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1968

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