Seiko Cal. 6690 - 401

The 6690-401 is a sought-after Solar piece from Seiko's golden era. With its 22mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-4653e953f656]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1996

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