Seiko Cal. 6659 - 766

The Seiko 6659-766 represents an important milestone in Seiko's 1974 lineup. It features a Black dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-b581908af878]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1974

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