Seiko Cal. 3899 - 287

This Spring Drive model from 1966 features a 44mm Hardlex-Coated Steel case. With its 22mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-20bf1cbf1d8f]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

35j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1966

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