Seiko Cal. 6391 - 864

The Seiko 6391-864 represents an important milestone in Seiko's 1977 lineup. With its 22mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-89155ae4581c]

Also known as: Panda

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

30j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1977

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