Seiko Cal. 4430 - 621

The Seiko 4430-621 represents an important milestone in Seiko's 1976 lineup. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-8d561f02956e]

Also known as: Tuna, Rally

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1976

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