Seiko Cal. 6390 - 109

The Seiko 6390-109 represents an important milestone in Seiko's 1970 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-661f1e69e7df]

Also known as: Turtle, Monster

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

24j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1970

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