Seiko Cal. 4527 - 209

The Seiko 4527-209 represents an important milestone in Seiko's 1969 lineup. Powered by the 4527 caliber with 28j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-124c7485e4e4]

Also known as: Rally, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1969

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