Seiko Cal. 6391 - 415

This Spring Drive model from 1973 features a 43mm Two-Tone case. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-cd729f460898]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1973

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