Seiko Cal. 6635 - 902

The Seiko 6635-902 represents an important milestone in Seiko's 1969 lineup. It features a Green dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-2c3b9aabeacf]

Also known as: Turtle, Panda

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1969

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