Seiko Cal. 6635 - 683

The Seiko 6635-683 represents an important milestone in Seiko's 1965 lineup. It features a White dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-e3c4fdb52dc4]

Also known as: Turtle, Silverwave

Specifications

Movement

Solar

Case Material

Titanium

Case Width

34mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

White

Jewels

25j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1965

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