Seiko Cal. 4557 - 184

The Seiko 4557-184 represents an important milestone in Seiko's 1988 lineup. It features a Green dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-aebb2b2286f3]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1988

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