Seiko Cal. 7181 - 681

The 7181-681 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-aca6917102cb]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1987

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