Seiko Cal. 3821 - 276

The Seiko 3821-276 represents an important milestone in Seiko's 1976 lineup. It features a Green dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-83968874d9d6]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1976

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