Seiko Cal. 4590 - 243

The 4590-243 is a sought-after Hand-Winding piece from Seiko's golden era. With its 21mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-feec565be45d]

Also known as: Monster, Navigator

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1985

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