Seiko Cal. 3857 - 716

Released in 1991, the Cal. 3857 with design code 716 was part of Seiko's domestic market collection. Powered by the 3857 caliber with 20j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-e1d7e837290d]

Also known as: UFO, Emperor

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1991

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