Seiko Cal. 5687 - 223

The Seiko 5687-223 represents an important milestone in Seiko's 1969 lineup. The Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-6238c61df2d6]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1969

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