Seiko Cal. 4544 - 550

The Seiko 4544-550 represents an important milestone in Seiko's 1987 lineup. It features a Black dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-c5f949559764]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1987

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