Seiko Cal. 6690 - 204

The 6690-204 is a sought-after Solar piece from Seiko's golden era. With its 18mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-fc0231dcae66]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1977

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