Seiko Cal. 6366 - 549

The Seiko 6366-549 represents an important milestone in Seiko's 1968 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-f801463960c5]

Also known as: Tuna, Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1968

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