Seiko Cal. 6690 - 543

The Seiko 6690-543 represents an important milestone in Seiko's 1972 lineup. It features a Cream dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-b85d6c9afd05]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Cream

Jewels

24j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1972

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