Seiko Cal. 5644 - 775

The Seiko 5644-775 represents an important milestone in Seiko's 1969 lineup. Powered by the 5644 caliber with 26j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-d5733003331d]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Champagne

Jewels

26j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1969

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