Seiko Cal. 6690 - 318

The Seiko 6690-318 represents an important milestone in Seiko's 1985 lineup. It features a Green dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-b05792d815ce]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1985

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