Seiko Cal. 5615 - 839

The Seiko 5615-839 represents an important milestone in Seiko's 1974 lineup. It features a Black dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-a0027452e2d7]

Also known as: Helmet, Emperor

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1974

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