Seiko Cal. 7140 - 691

The Seiko 7140-691 represents an important milestone in Seiko's 1988 lineup. With its 22mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-cb88dd0c2440]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1988

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