Seiko Cal. 3880 - 400

The 3880-400 is a sought-after Hand-Winding piece from Seiko's golden era. With its 21mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-ea089be28264]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Champagne

Jewels

26j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1981

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