Seiko Cal. 4557 - 290

This Automatic model from 1975 features a 40mm Titanium case. Powered by the 4557 caliber with 28j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-20c37ecbfcff]

Also known as: Samurai, Shogun

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1975

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