Seiko Cal. 4566 - 198

The 4566-198 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-363686c3f7be]

Also known as: Tuna, Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1997

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