Seiko Cal. 6690 - 238

The Seiko 6690-238 represents an important milestone in Seiko's 1991 lineup. With its 22mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-4509eac7deaa]

Also known as: Goldfeather, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1991

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