Seiko Cal. 5615 - 871

The Seiko 5615-871 represents an important milestone in Seiko's 1967 lineup. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-3ff30117e2a9]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

41mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1967

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