Seiko Cal. 5690 - 331

Released in 1978, the Cal. 5690 with design code 331 was part of Seiko's domestic market collection. It features a White dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-466cff7abf07]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

White

Jewels

28j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1978

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