Seiko Cal. 5680 - 307

The Seiko 5680-307 represents an important milestone in Seiko's 1993 lineup. Powered by the 5680 caliber with 31j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-b6a275a43a36]

Also known as: World Timer, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1993

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