Seiko Cal. 3899 - 900

The Seiko 3899-900 represents an important milestone in Seiko's 1968 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-a6b3777b580e]

Also known as: Monster, Sumo

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1968

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