Seiko Cal. 6390 - 448

Released in 1970, the Cal. 6390 with design code 448 was part of Seiko's domestic market collection. It features a Navy dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-a03fa992ae2c]

Also known as: Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1970

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