Seiko Cal. 6315 - 321

This Spring Drive model from 1966 features a 35mm Two-Tone case. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-e5fc36ac5cc1]

Also known as: Samurai, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1966

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