Seiko Cal. 5660 - 412

The Seiko 5660-412 represents an important milestone in Seiko's 1986 lineup. With its 19mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-7a2f388ef27c]

Also known as: UFO, Silverwave

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1986

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