Seiko Cal. 4413 - 550

This Hand-Winding model from 1990 features a 40mm Titanium case. Powered by the 4413 caliber with 20j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-518d66b02ec8]

Also known as: Samurai, World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1990

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