Seiko Cal. 3827 - 991

The 3827-991 is a sought-after Automatic piece from Seiko's golden era. With its 21mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-bf99f6556eea]

Also known as: UFO, Emperor

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1972

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