Seiko Cal. 6635 - 313

The Seiko 6635-313 represents an important milestone in Seiko's 1967 lineup. It features a Cream dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-bdd23aef4c04]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1967

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