Seiko Cal. 6687 - 131

The 6687-131 is a sought-after Solar piece from Seiko's golden era. With its 19mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-fe0498577ab3]

Also known as: Turtle, Sportsmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1990

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