Seiko Cal. 7161 - 140

The Seiko 7161-140 represents an important milestone in Seiko's 1981 lineup. With its 19mm lug width and 13.4mm profile, it sits comfortably on most wrists. [seikata-wm-baf28a0cb755]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

White

Jewels

26j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1981

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