Seiko Cal. 5644 - 309

This Solar model from 1989 features a 43mm Titanium case. Powered by the 5644 caliber with 32j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-aaff35639cf6]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1989

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