Seiko Cal. 6690 - 373

The 6690-373 is a sought-after Solar piece from Seiko's golden era. It features a Burgundy dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-fa4001db835c]

Also known as: Tuna, Emperor

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

25j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1982

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