Seiko Cal. 4557 - 543

Released in 1966, the Cal. 4557 with design code 543 was part of Seiko's domestic market collection. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-2abc2afa362a]

Also known as: Navigator

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1966

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