Seiko Cal. 3899 - 140

The Seiko 3899-140 represents an important milestone in Seiko's 1997 lineup. Powered by the 3899 caliber with 19j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-304bb3216828]

Also known as: UFO, World Timer

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1997

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