Seiko Cal. 6390 - 778

The 6390-778 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-55349cd82a14]

Also known as: UFO, Emperor

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1975

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