Seiko Cal. 4557 - 454

The Seiko 4557-454 represents an important milestone in Seiko's 1986 lineup. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-99aaacbf5e30]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1986

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