Seiko Cal. 6634 - 533

The Seiko 6634-533 represents an important milestone in Seiko's 1971 lineup. It features a Green dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-486db6453b6f]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1971

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