Seiko Cal. 6690 - 598

The Seiko 6690-598 represents an important milestone in Seiko's 1974 lineup. It features a Champagne dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-77faacb73c39]

Also known as: Bellmatic, Flighty

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1974

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