Seiko Cal. 4421 - 515

The Seiko 4421-515 represents an important milestone in Seiko's 1970 lineup. It features a White dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-346385aa547a]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1970

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