Seiko Cal. 6391 - 777

The Seiko 6391-777 represents an important milestone in Seiko's 1989 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-ecfca70c8511]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1989

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