Seiko Cal. 6690 - 375

Released in 1997, the Cal. 6690 with design code 375 was part of Seiko's domestic market collection. It features a Cream dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-2768b8191284]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Cream

Jewels

22j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1997

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