Seiko Cal. 5228 - 728

This Spring Drive model from 1966 features a 41mm Gold-Plated case. Powered by the 5228 caliber with 19j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-5cea2c2ef22d]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Cream

Jewels

19j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1966

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