Seiko Cal. 6144 - 987

Released in 1984, the Cal. 6144 with design code 987 was part of Seiko's domestic market collection. It features a Green dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-ddbe2d260f0c]

Also known as: Bullhead, Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

13.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1984

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