Seiko Cal. 3821 - 315

The 3821-315 is a sought-after Kinetic piece from Seiko's golden era. With its 22mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-d609f081371a]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1965

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