Seiko Cal. 6633 - 600

The Seiko 6633-600 represents an important milestone in Seiko's 1971 lineup. It features a Navy dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-f8d06d539d40]

Also known as: Turtle, Bellmatic

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1971

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