Seiko Cal. 6630 - 686

The Seiko 6630-686 represents an important milestone in Seiko's 1975 lineup. It features a Cream dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-06a9798bc217]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

34j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1975

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