Seiko Cal. 6630 - 881

The Seiko 6630-881 represents an important milestone in Seiko's 1975 lineup. It features a Cream dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-0d0b3990c19b]

Also known as: Navigator, Emperor

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Cream

Jewels

19j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1975

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