Seiko Cal. 6391 - 384

The Seiko 6391-384 represents an important milestone in Seiko's 1978 lineup. With its 20mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-59f69f9f98df]

Also known as: Panda, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Champagne

Jewels

36j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1978

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