Seiko Cal. 6391 - 716

The Seiko 6391-716 represents an important milestone in Seiko's 1987 lineup. Powered by the 6391 caliber with 21j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-fc291ea3b892]

Also known as: Shogun, Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

21j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1987

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