Seiko Cal. 6646 - 634

The Seiko 6646-634 represents an important milestone in Seiko's 1973 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-eddc6bf7928d]

Also known as: Turtle, World Timer

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1973

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