Seiko Cal. 5687 - 436

This Quartz model from 1981 features a 36mm Two-Tone case. With its 21mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-d4a78871ccf4]

Also known as: Flighty

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

36mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1981

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