Seiko Cal. 6690 - 236

The 6690-236 is a sought-after Quartz piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-56c60d0ff25a]

Also known as: UFO, Emperor

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

34mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1977

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