Seiko Cal. 6635 - 642

The Seiko 6635-642 represents an important milestone in Seiko's 1996 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-8096b930d716]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1996

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