Seiko Cal. 3879 - 312

The Seiko 3879-312 represents an important milestone in Seiko's 1970 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-1fd810eb2d72]

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Burgundy

Jewels

35j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1970

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