Seiko Cal. 4557 - 351

This Automatic model from 1968 features a 45mm Titanium case. Powered by the 4557 caliber with 31j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-c3afa5f92032]

Also known as: Samurai, Silverwave

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1968

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