Seiko Cal. 4551 - 644

The Seiko 4551-644 represents an important milestone in Seiko's 1973 lineup. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-eb989559995d]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1973

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