Seiko Cal. 3892 - 940

Released in 1965, the Cal. 3892 with design code 940 was part of Seiko's domestic market collection. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-9bdede3776bd]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1965

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