Seiko Cal. 3899 - 901

The Seiko 3899-901 represents an important milestone in Seiko's 1975 lineup. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-aaa82d76c21b]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1975

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