Seiko Cal. 6690 - 774

The Seiko 6690-774 represents an important milestone in Seiko's 1977 lineup. It features a Green dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-3fdb94d76eae]

Also known as: Sportsmatic, Flighty

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Green

Jewels

32j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1977

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