Seiko Cal. 3861 - 455

The 3861-455 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-8cf96dcb36d4]

Also known as: Tuna, Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1980

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