Seiko Cal. 4557 - 444

The Seiko 4557-444 represents an important milestone in Seiko's 1972 lineup. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-85637a8d7514]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Green

Jewels

33j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1972

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