Seiko Cal. 6659 - 183

The Seiko 6659-183 represents an important milestone in Seiko's 1976 lineup. It features a Black dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-9dab19ffdac0]

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1976

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