Seiko Cal. 5666 - 596

Released in 1987, the Cal. 5666 with design code 596 was part of Seiko's domestic market collection. Powered by the 5666 caliber with 27j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-fb9ddb0069c6]

Also known as: Tuna, World Timer

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Burgundy

Jewels

27j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1987

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