Seiko Cal. 6390 - 433

The Seiko 6390-433 represents an important milestone in Seiko's 1976 lineup. It features a White dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-81e7955ffc92]

Also known as: Silverwave, Goldfeather

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

White

Jewels

19j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1976

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