Seiko Cal. 7166 - 983

The Seiko 7166-983 represents an important milestone in Seiko's 1978 lineup. With its 20mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-06f302f5e620]

Also known as: Helmet, UFO

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Champagne

Jewels

27j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1978

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