Seiko Cal. 4421 - 797

The Seiko 4421-797 represents an important milestone in Seiko's 1978 lineup. It features a White dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-0e7e537fa8a6]

Also known as: Shogun, Flighty

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1978

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