Seiko Cal. 5666 - 971

The Seiko 5666-971 represents an important milestone in Seiko's 1991 lineup. It features a Navy dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-d814b025a9f1]

Also known as: Turtle, World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1991

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