Seiko Cal. 6391 - 737

The Seiko 6391-737 represents an important milestone in Seiko's 1972 lineup. With its 22mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-9c766d57c095]

Also known as: Goldfeather, Bellmatic

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1972

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