Seiko Cal. 6688 - 307

The Seiko 6688-307 represents an important milestone in Seiko's 1996 lineup. Powered by the 6688 caliber with 25j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-abd96e2489c6]

Also known as: Emperor

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1996

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