Seiko Cal. 6144 - 427

The Seiko 6144-427 represents an important milestone in Seiko's 1978 lineup. It features a Black dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-bac3bb929a9a]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

36mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1978

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