Seiko Cal. 3821 - 787

Released in 1973, the Cal. 3821 with design code 787 was part of Seiko's domestic market collection. It features a Navy dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-c87c76db8ff8]

Also known as: Samurai, Silverwave

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1973

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