Seiko Cal. 3899 - 907

The Seiko 3899-907 represents an important milestone in Seiko's 1990 lineup. It features a Navy dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-edf1892ab0d9]

Also known as: Tuna, Rally

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1990

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