Seiko Cal. 5666 - 239

The Seiko 5666-239 represents an important milestone in Seiko's 1991 lineup. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-9b28597699c9]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Burgundy

Jewels

19j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1991

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