Seiko Cal. 3821 - 120

The Seiko 3821-120 represents an important milestone in Seiko's 1968 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-cec3c439cbc1]

Also known as: World Timer, Crown

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

35j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1968

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