Seiko Cal. 6390 - 926

The 6390-926 is a sought-after Spring Drive piece from Seiko's golden era. It features a Cream dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-475c71893169]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Cream

Jewels

22j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1993

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