Seiko Cal. 6690 - 335

The Seiko 6690-335 represents an important milestone in Seiko's 1970 lineup. It features a Champagne dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-1b59f71c025e]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Champagne

Jewels

18j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1970

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