Seiko Cal. 5644 - 719

The Seiko 5644-719 represents an important milestone in Seiko's 1970 lineup. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-d5c46d8f3bb7]

Also known as: Samurai

Specifications

Movement

Solar

Case Material

Titanium

Case Width

45mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Cream

Jewels

34j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1970

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