Seiko Cal. 3899 - 310

The Seiko 3899-310 represents an important milestone in Seiko's 1967 lineup. With its 18mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-aed62a3529ab]

Also known as: Monster, Rally

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1967

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