Seiko Cal. 4421 - 793

This Automatic model from 1971 features a 44mm Titanium case. Powered by the 4421 caliber with 31j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-3c86091169e2]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

44mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1971

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