Seiko Cal. 3859 - 421

The Seiko 3859-421 represents an important milestone in Seiko's 1999 lineup. Powered by the 3859 caliber with 36j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-e45c419518ab]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1999

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