Seiko Cal. 4421 - 355

Released in 1971, the Cal. 4421 with design code 355 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-61ff1125aaaa]

Also known as: Rally, Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1971

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