Seiko Cal. 3816 - 475

The 3816-475 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-b25476e5888a]

Also known as: UFO, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1967

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