Seiko Cal. 6681 - 313

The 6681-313 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-6434c400223c]

Also known as: Rally, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1977

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