Seiko Cal. 6689 - 740

The Seiko 6689-740 represents an important milestone in Seiko's 1988 lineup. It features a Navy dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-949c332aa8f3]

Also known as: Shogun, Navigator

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1988

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