Seiko Cal. 5611 - 527

The Seiko 5611-527 represents an important milestone in Seiko's 1972 lineup. Powered by the 5611 caliber with 27j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-b65a228f3fcc]

Also known as: World Timer, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Green

Jewels

27j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1972

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