Seiko Cal. 6315 - 155

The Seiko 6315-155 represents an important milestone in Seiko's 1966 lineup. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-6b4561c89a97]

Also known as: Tuna, Rally

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1966

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