Seiko Cal. 5284 - 429

This Spring Drive model from 1977 features a 45mm Titanium case. Powered by the 5284 caliber with 27j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-4eba5b01d99a]

Also known as: Turtle, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1977

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