Seiko Cal. 6635 - 847

The Seiko 6635-847 represents an important milestone in Seiko's 1998 lineup. It features a Navy dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-ac45977bb4e6]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1998

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