Seiko Cal. 6689 - 487

Released in 1983, the Cal. 6689 with design code 487 was part of Seiko's domestic market collection. With its 20mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-91f6ecda12af]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1983

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