Seiko Cal. 6379 - 639

The Seiko 6379-639 represents an important milestone in Seiko's 1991 lineup. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-3606ebde690f]

Also known as: Bullhead, UFO

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

12.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1991

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