Seiko Cal. 3827 - 494

The Seiko 3827-494 represents an important milestone in Seiko's 1981 lineup. It features a Black dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-8d11cdf14b5d]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1981

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