Seiko Cal. 7144 - 421

The Seiko 7144-421 represents an important milestone in Seiko's 1986 lineup. Powered by the 7144 caliber with 30j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-d76a518712d1]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1986

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