Seiko Cal. 6630 - 904

The Seiko 6630-904 represents an important milestone in Seiko's 1985 lineup. It features a Navy dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-7e0d730edb3f]

Also known as: Goldfeather

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1985

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