Seiko Cal. 6633 - 563

The Seiko 6633-563 represents an important milestone in Seiko's 1977 lineup. It features a Green dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-e422ba0de8a0]

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1977

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