Seiko Cal. 6690 - 694

The Seiko 6690-694 represents an important milestone in Seiko's 1980 lineup. It features a Champagne dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-5aed2da88d09]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Champagne

Jewels

23j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1980

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