Seiko Cal. 5644 - 553

This Solar model from 1977 features a 36mm Titanium case. Powered by the 5644 caliber with 18j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-1424a30088f7]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1977

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