Seiko Cal. 6669 - 687

The Seiko 6669-687 represents an important milestone in Seiko's 1968 lineup. It features a Black dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-fa30c0301b77]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1968

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