Seiko Cal. 3821 - 450

The 3821-450 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-7c1bee343ae1]

Also known as: Tuna, Panda

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1985

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