Seiko Cal. 3820 - 565

The 3820-565 is a sought-after Hand-Winding piece from Seiko's golden era. With its 20mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-cd57902029a1]

Also known as: Samurai, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

White

Jewels

26j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1978

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