Seiko Cal. 4428 - 301

The Seiko 4428-301 represents an important milestone in Seiko's 1970 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-2d116e0c677c]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1970

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