Seiko Cal. 5690 - 323

Released in 1976, the Cal. 5690 with design code 323 was part of Seiko's domestic market collection. With its 22mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-6daea1de905c]

Also known as: UFO, Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

White

Jewels

32j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1976

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