Seiko Cal. 6690 - 612

The Seiko 6690-612 represents an important milestone in Seiko's 1975 lineup. It features a Champagne dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-9f36d15bbdce]

Also known as: Navigator, Arnie

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1975

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