Seiko Cal. 6664 - 340

The Seiko 6664-340 represents an important milestone in Seiko's 1966 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-5ca08db4a77f]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1966

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