Seiko Cal. 4421 - 622

The Seiko 4421-622 represents an important milestone in Seiko's 1983 lineup. Powered by the 4421 caliber with 31j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-4ec05e254887]

Also known as: Shogun, Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1983

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