Seiko Cal. 6635 - 441

The Seiko 6635-441 represents an important milestone in Seiko's 1979 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-3e541b8f1698]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Burgundy

Jewels

23j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1979

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