Seiko Cal. 6639 - 416

The Seiko 6639-416 represents an important milestone in Seiko's 1994 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-b9a2a8af96c6]

Also known as: Samurai, Bullhead

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1994

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