Seiko Cal. 6635 - 572

The Seiko 6635-572 represents an important milestone in Seiko's 1975 lineup. It features a Black dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-75693800b7d4]

Also known as: Panda, Flighty

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1975

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