Seiko Cal. 3899 - 155

The Seiko 3899-155 represents an important milestone in Seiko's 1971 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-6ddeaefec4da]

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

46mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1971

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