Seiko Cal. 4577 - 318

The Seiko 4577-318 represents an important milestone in Seiko's 1996 lineup. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-8b2afa50a93c]

Also known as: Samurai, Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1996

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