Seiko Cal. 6686 - 931

The 6686-931 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-9833d7ad4eb4]

Also known as: Rally, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1992

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