Seiko Cal. 4527 - 271

The Seiko 4527-271 represents an important milestone in Seiko's 1976 lineup. Powered by the 4527 caliber with 31j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-b5a1614713cd]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

44mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1976

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