Seiko Cal. 6327 - 557

The Seiko 6327-557 represents an important milestone in Seiko's 1982 lineup. It features a Black dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-0da6a686011f]

Also known as: Navigator

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1982

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