Seiko Cal. 6391 - 108

The Seiko 6391-108 represents an important milestone in Seiko's 1982 lineup. Powered by the 6391 caliber with 19j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-0d43902d5a58]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1982

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