Seiko Cal. 4421 - 223

This Hand-Winding model from 1971 features a 46mm Titanium case. Powered by the 4421 caliber with 17j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-35ce90632f9f]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

12.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1971

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