Seiko Cal. 5644 - 719

The Seiko 5644-719 represents an important milestone in Seiko's 1984 lineup. Powered by the 5644 caliber with 23j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-34309e41968c]

Also known as: Shogun, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1984

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