Seiko Cal. 6391 - 549

This Spring Drive model from 1971 features a 46mm Titanium case. With its 21mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-c2d3e03106b6]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1971

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