Seiko Cal. 3879 - 709

The Seiko 3879-709 represents an important milestone in Seiko's 1974 lineup. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-856163b8fc3e]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Cream

Jewels

22j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1974

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