Seiko Cal. 3821 - 910

Released in 1992, the Cal. 3821 with design code 910 was part of Seiko's domestic market collection. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-8ce5635ab20c]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Cream

Jewels

23j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1992

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