Seiko Cal. 6633 - 561

The Seiko 6633-561 represents an important milestone in Seiko's 1976 lineup. It features a Silver dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-b5fcf8c01b5b]

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1976

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