Seiko Cal. 6690 - 652

The Seiko 6690-652 represents an important milestone in Seiko's 1985 lineup. It features a Black dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-6a6cd3338e3e]

Also known as: Goldfeather

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1985

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