Seiko Cal. 6635 - 879

The Seiko 6635-879 represents an important milestone in Seiko's 1967 lineup. It features a Cream dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-ec1b83856c71]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1967

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